#231D5D#231D5D

#231D5D is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.110 H 281.0°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#231D5D
RGB	rgb(35, 29, 93)
HSL	hsl(246, 52%, 24%)
HSV	hsv(246, 69%, 36%)
CMYK	cmyk(62.4%, 68.8%, 0%, 63.5%)
CIE-LAB	lab(15.62, 23.57, -37.43)
CIE-LCH	lch(15.62, 44.23, 302.20°)
OKLab	oklab(28.25% 0.0209 -0.1076)
OKLCH	oklch(28.25% 0.11 281)
XYZ	xyz(3.1077, 2.0262, 10.5811)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D5D #575D1D

analogous

#1D375D #231D5D #431D5D

triadic

#231D5D #5D231D #1D5D23

tetradic

#231D5D #5D1D37 #575D1D #1D5D43

square

#231D5D #5D1D37 #575D1D #1D5D43

split-complementary

#231D5D #5D431D #375D1D

monochromatic

#090717 #110E2E #231D5D #352C8C #463ABA

Accessibility & contrast

On white

14.94

#231D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#231D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D5D

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D5D	#FFFFFF	#000000	##FFFFFF
##231D5D	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00255C

Tritanopia (blue-blind)

#022D3A

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #231d5d;
/* rgb */ color: rgb(35, 29, 93);
/* oklch */ color: oklch(28.2% 0.110 281.0);

Tailwind

colors: {
  custom: {
    50: '#65598c',
    500: '#231d5d',
    950: '#000000',
  },
}

SCSS

$custom: #231d5d;
$custom-light: #65598c;
$custom-dark: #000000;

JSON

{
  "hex": "#231d5d",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 93
  },
  "hsl": {
    "h": 245.625,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.2825,
    "c": 0.10965,
    "h": 281
  },
  "luminance": 0.02026
}

Semantic roles & 50–950 ramp

primary

#231D5D

secondary

#8B9244

accent

#DC4CCE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231D5D

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

Preview Lab → · Contrast checker → · Palette generator →