#231D6C#231D6C

#231D6C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.131 H 278.2°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#231D6C
RGB	rgb(35, 29, 108)
HSL	hsl(245, 58%, 27%)
HSV	hsv(245, 73%, 42%)
CMYK	cmyk(67.6%, 73.1%, 0%, 57.6%)
CIE-LAB	lab(17.08, 28.97, -44.94)
CIE-LCH	lch(17.08, 53.47, 302.81°)
OKLab	oklab(29.75% 0.0187 -0.1297)
OKLCH	oklch(29.75% 0.131 278.2)
XYZ	xyz(3.8384, 2.3185, 14.4297)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D6C #666C1D

analogous

#1D3F6C #231D6C #4B1D6C

triadic

#231D6C #6C231D #1D6C23

tetradic

#231D6C #6C1D3F #666C1D #1D6C4B

square

#231D6C #6C1D3F #666C1D #1D6C4B

split-complementary

#231D6C #6C4B1D #3F6C1D

monochromatic

#080618 #13103C #231D6C #332A9C #4439CA

Accessibility & contrast

On white

14.35

#231D6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#231D6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D6C

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D6C	#FFFFFF	#000000	##FFFFFF
##231D6C	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6E

Deuteranopia (green-blind)

#00276B

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #231d6c;
/* rgb */ color: rgb(35, 29, 108);
/* oklch */ color: oklch(29.7% 0.131 278.2);

Tailwind

colors: {
  custom: {
    50: '#695a97',
    500: '#231d6c',
    950: '#000000',
  },
}

SCSS

$custom: #231d6c;
$custom-light: #695a97;
$custom-dark: #000000;

JSON

{
  "hex": "#231d6c",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 108
  },
  "hsl": {
    "h": 244.557,
    "s": 57.664,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29747,
    "c": 0.13102,
    "h": 278.2
  },
  "luminance": 0.02319
}

Semantic roles & 50–950 ramp

primary

#231D6C

secondary

#9AA144

accent

#E147D5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #231D6C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →