#231D61#231D61

#231D61 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.6% C 0.115 H 280.2°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#231D61
RGB	rgb(35, 29, 97)
HSL	hsl(245, 54%, 25%)
HSV	hsv(245, 70%, 38%)
CMYK	cmyk(63.9%, 70.1%, 0%, 62%)
CIE-LAB	lab(16.00, 25.02, -39.48)
CIE-LCH	lch(16.00, 46.74, 302.37°)
OKLab	oklab(28.64% 0.0204 -0.1137)
OKLCH	oklch(28.64% 0.115 280.2)
XYZ	xyz(3.2895, 2.0989, 11.5387)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D61 #5B611D

analogous

#1D3961 #231D61 #451D61

triadic

#231D61 #61231D #1D6123

tetradic

#231D61 #611D39 #5B611D #1D6145

square

#231D61 #611D39 #5B611D #1D6145

split-complementary

#231D61 #61451D #39611D

monochromatic

#080718 #120F32 #231D61 #342B90 #4539BF

Accessibility & contrast

On white

14.79

#231D61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#231D61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D61

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D61	#FFFFFF	#000000	##FFFFFF
##231D61	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A63

Deuteranopia (green-blind)

#002560

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #231d61;
/* rgb */ color: rgb(35, 29, 97);
/* oklch */ color: oklch(28.6% 0.115 280.2);

Tailwind

colors: {
  custom: {
    50: '#66598f',
    500: '#231d61',
    950: '#000000',
  },
}

SCSS

$custom: #231d61;
$custom-light: #66598f;
$custom-dark: #000000;

JSON

{
  "hex": "#231d61",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 97
  },
  "hsl": {
    "h": 245.294,
    "s": 53.968,
    "l": 24.706
  },
  "oklch": {
    "l": 0.28637,
    "c": 0.11548,
    "h": 280.2
  },
  "luminance": 0.02099
}

Semantic roles & 50–950 ramp

primary

#231D61

secondary

#8F9644

accent

#DD4AD0

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231D61

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

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