#231D6F#231D6F

#231D6F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.135 H 277.7°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#231D6F
RGB	rgb(35, 29, 111)
HSL	hsl(244, 59%, 27%)
HSV	hsv(244, 74%, 44%)
CMYK	cmyk(68.5%, 73.9%, 0%, 56.5%)
CIE-LAB	lab(17.38, 30.04, -46.39)
CIE-LCH	lch(17.38, 55.26, 302.92°)
OKLab	oklab(30.06% 0.0182 -0.1339)
OKLCH	oklch(30.06% 0.135 277.7)
XYZ	xyz(4.0008, 2.3834, 15.2851)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D6F #696F1D

analogous

#1D406F #231D6F #4C1D6F

triadic

#231D6F #6F231D #1D6F23

tetradic

#231D6F #6F1D40 #696F1D #1D6F4C

square

#231D6F #6F1D40 #696F1D #1D6F4C

split-complementary

#231D6F #6F4C1D #406F1D

monochromatic

#080618 #14103E #231D6F #322AA0 #453BCC

Accessibility & contrast

On white

14.22

#231D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#231D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D6F

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D6F	#FFFFFF	#000000	##FFFFFF
##231D6F	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E71

Deuteranopia (green-blind)

#00276D

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231d6f;
/* rgb */ color: rgb(35, 29, 111);
/* oklch */ color: oklch(30.1% 0.135 277.7);

Tailwind

colors: {
  custom: {
    50: '#695a99',
    500: '#231d6f',
    950: '#000000',
  },
}

SCSS

$custom: #231d6f;
$custom-light: #695a99;
$custom-dark: #000000;

JSON

{
  "hex": "#231d6f",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 111
  },
  "hsl": {
    "h": 244.39,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.30059,
    "c": 0.13514,
    "h": 277.7
  },
  "luminance": 0.02384
}

Semantic roles & 50–950 ramp

primary

#231D6F

secondary

#9CA344

accent

#E246D6

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #231D6F

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

Preview Lab → · Contrast checker → · Palette generator →