#231F86#231F86

#231F86 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.163 H 274.3°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#231F86
RGB	rgb(35, 31, 134)
HSL	hsl(242, 62%, 32%)
HSV	hsv(242, 77%, 53%)
CMYK	cmyk(73.9%, 76.9%, 0%, 47.5%)
CIE-LAB	lab(20.27, 36.86, -56.31)
CIE-LCH	lch(20.27, 67.30, 303.21°)
OKLab	oklab(32.86% 0.0124 -0.1629)
OKLCH	oklch(32.86% 0.163 274.3)
XYZ	xyz(5.4848, 3.0580, 22.8508)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231F86 #82861F

analogous

#1F4F86 #231F86 #561F86

triadic

#231F86 #86231F #1F8623

tetradic

#231F86 #861F4F #82861F #1F8656

square

#231F86 #861F4F #82861F #1F8656

split-complementary

#231F86 #86561F #4F861F

monochromatic

#090823 #161454 #231F86 #302AB8 #504AD5

Accessibility & contrast

On white

13.03

#231F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#231F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231F86

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231F86	#FFFFFF	#000000	##FFFFFF
##231F86	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003689

Deuteranopia (green-blind)

#002C84

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #231f86;
/* rgb */ color: rgb(35, 31, 134);
/* oklch */ color: oklch(32.9% 0.163 274.3);

Tailwind

colors: {
  custom: {
    50: '#6f5caa',
    500: '#231f86',
    950: '#000000',
  },
}

SCSS

$custom: #231f86;
$custom-light: #6f5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#231f86",
  "rgb": {
    "r": 35,
    "g": 31,
    "b": 134
  },
  "hsl": {
    "h": 242.33,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32855,
    "c": 0.16334,
    "h": 274.3
  },
  "luminance": 0.03059
}

Semantic roles & 50–950 ramp

primary

#231F86

secondary

#B3B849

accent

#E542DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231F86

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

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