Skip to the color picker

#133d66 color: Blue Opal

#133d66 is rgb(19, 61, 102) in RGB and oklch(35.391% 0.08491 251.139) in OKLCH. Every other format, shade and contrast value is below.

Read as HEX

210°
100%

35.4%
0.085
251°
  • Blue
  • Dark
  • Vivid
  • Deep
  • Cool
  • ≈ Charcoal
  • sky-900
  • Black 60%

Inside sRGB: displays the same on any screen.

White text
11.13:1Readable · AA
Lc -99
Black text
1.89:1Hard 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 #133d66

#133d66 is a deep dark blue color. In OKLCH it has 35.4% lightness, 0.085 chroma and a hue of 251°.

Inside sRGB: displays the same on any screen.

White text on it reaches 11.13:1 contrast and black text 1.89:1, so white text reads better.

The closest named color is Blue Opal (#124168). In Tailwind CSS the closest color is sky-900.

More dark blue colors

Lighter: #133d66 mixed with white

  1. 133d66
  2. 2b4f75
  3. 416184
  4. 577493
  5. 6d86a2
  6. 859ab1
  7. 9cadc1
  8. b4c1d0
  9. cdd6e0
  10. e6eaef

Darker: #133d66 mixed with black

  1. 133d66
  2. 0f3458
  3. 0b2b4a
  4. 07223c
  5. 051a2f
  6. 031223
  7. 010a17
  8. 01040c
  9. 000104
  10. 000000

Calmer: #133d66 with less saturation

  1. 133d66
  2. 193d62
  3. 1e3d5e
  4. 233d5a
  5. 273d55
  6. 2b3d51
  7. 2e3d4d
  8. 323d49
  9. 353c44
  10. 383c40

Questions about #133d66

What color is #133d66?

#133d66 is deep dark blue. The closest named color is Blue Opal. In RGB it is rgb(19, 61, 102), in HSL hsl(209.64, 68.6%, 23.73%) and in OKLCH oklch(35.391% 0.08491 251.139).

What colors go well with #133d66?

The complementary color of #133d66 is #563200. For a calmer combination use the analogous colors #00445a and #353566. The triadic partners are #602630 and #2b440d.

Is white or black text more readable on #133d66?

White text reads better on #133d66: white gives a contrast ratio of 11.13:1 and black gives 1.89:1. WCAG AA asks for at least 4.5:1 for body text.

Is #133d66 a warm or cool color?

#133d66 is a cool color. In OKLCH its hue is 251 degrees, its lightness 35.4% and its chroma 0.085.