#231D7D#231D7D

#231D7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.154 H 275.7°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#231D7D
RGB	rgb(35, 29, 125)
HSL	hsl(244, 62%, 30%)
HSV	hsv(244, 77%, 49%)
CMYK	cmyk(72%, 76.8%, 0%, 51%)
CIE-LAB	lab(18.87, 34.94, -52.94)
CIE-LCH	lch(18.87, 63.43, 303.42°)
OKLab	oklab(31.57% 0.0154 -0.153)
OKLCH	oklch(31.57% 0.154 275.7)
XYZ	xyz(4.8330, 2.7163, 19.6677)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D7D #777D1D

analogous

#1D477D #231D7D #531D7D

triadic

#231D7D #7D231D #1D7D23

tetradic

#231D7D #7D1D47 #777D1D #1D7D53

square

#231D7D #7D1D47 #777D1D #1D7D53

split-complementary

#231D7D #7D531D #477D1D

monochromatic

#07061A #15114B #231D7D #3129AF #4A41D3

Accessibility & contrast

On white

13.61

#231D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#231D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D7D

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D7D	#FFFFFF	#000000	##FFFFFF
##231D7D	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #231d7d;
/* rgb */ color: rgb(35, 29, 125);
/* oklch */ color: oklch(31.6% 0.154 275.7);

Tailwind

colors: {
  custom: {
    50: '#6d5ba4',
    500: '#231d7d',
    950: '#000000',
  },
}

SCSS

$custom: #231d7d;
$custom-light: #6d5ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#231d7d",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 125
  },
  "hsl": {
    "h": 243.75,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31565,
    "c": 0.15379,
    "h": 275.7
  },
  "luminance": 0.02717
}

Semantic roles & 50–950 ramp

primary

#231D7D

secondary

#AAB145

accent

#E542DB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #231D7D

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

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