Skip to the color picker

#18396c color: Ateneo Blue

#18396c is rgb(24, 57, 108) in RGB and oklch(34.999% 0.09688 258.962) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

216°
100%

35%
0.097
259°
  • Blue
  • Dark
  • Vivid
  • Deep
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 58%

Inside sRGB: displays the same on any screen.

White text
11.41:1Readable · AA
Lc -100
Black text
1.84:1Hard to read
Lc 8

Shades

From lightest to darkest. Click a shade to use it.

Harmonies

Open as palette

Recent

Colors you stop on or copy appear here. They stay on this device.

About #18396c

#18396c is a deep dark blue color. In OKLCH it has 35% lightness, 0.097 chroma and a hue of 259°.

Inside sRGB: displays the same on any screen.

White text on it reaches 11.41:1 contrast and black text 1.84:1, so white text reads better.

The closest named color is Ateneo Blue (#003a6c). In Tailwind CSS the closest color is sky-900.

More dark blue colors

Lighter: #18396c mixed with white

  1. 18396c
  2. 2d4b7b
  3. 425e89
  4. 587198
  5. 6e84a6
  6. 8598b5
  7. 9cacc4
  8. b4c0d3
  9. cdd5e1
  10. e6eaf0

Darker: #18396c mixed with black

  1. 18396c
  2. 13305d
  3. 0f284e
  4. 0a1f40
  5. 071732
  6. 041025
  7. 020919
  8. 01040d
  9. 000104
  10. 000000

Calmer: #18396c with less saturation

  1. 18396c
  2. 1c3a67
  3. 203a62
  4. 243b5e
  5. 283b59
  6. 2b3b54
  7. 2e3b4f
  8. 313b4a
  9. 343b45
  10. 373b40

Questions about #18396c

What color is #18396c?

#18396c is deep dark blue. The closest named color is Ateneo Blue. In RGB it is rgb(24, 57, 108), in HSL hsl(216.43, 63.64%, 25.88%) and in OKLCH oklch(34.999% 0.09688 258.962).

What colors go well with #18396c?

The complementary color of #18396c is #533300. For a calmer combination use the analogous colors #004260 and #3a2f69. The triadic partners are #632026 and #1c460d.

Is white or black text more readable on #18396c?

White text reads better on #18396c: white gives a contrast ratio of 11.41:1 and black gives 1.84:1. WCAG AA asks for at least 4.5:1 for body text.

Is #18396c a warm or cool color?

#18396c is a cool color. In OKLCH its hue is 259 degrees, its lightness 35% and its chroma 0.097.