#231F85#231F85

#231F85 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.162 H 274.4°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#231F85
RGB	rgb(35, 31, 133)
HSL	hsl(242, 62%, 32%)
HSV	hsv(242, 77%, 52%)
CMYK	cmyk(73.7%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(20.16, 36.52, -55.86)
CIE-LCH	lch(20.16, 66.74, 303.17°)
OKLab	oklab(32.74% 0.0126 -0.1616)
OKLCH	oklch(32.74% 0.162 274.4)
XYZ	xyz(5.4154, 3.0302, 22.4853)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231F85 #81851F

analogous

#1F4E85 #231F85 #561F85

triadic

#231F85 #85231F #1F8523

tetradic

#231F85 #851F4E #81851F #1F8556

square

#231F85 #851F4E #81851F #1F8556

split-complementary

#231F85 #85561F #4E851F

monochromatic

#090822 #161353 #231F85 #302BB7 #4F4AD5

Accessibility & contrast

On white

13.07

#231F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#231F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231F85

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231F85	#FFFFFF	#000000	##FFFFFF
##231F85	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003588

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #231f85;
/* rgb */ color: rgb(35, 31, 133);
/* oklch */ color: oklch(32.7% 0.162 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e5caa',
    500: '#231f85',
    950: '#000000',
  },
}

SCSS

$custom: #231f85;
$custom-light: #6e5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#231f85",
  "rgb": {
    "r": 35,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 242.353,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32744,
    "c": 0.16205,
    "h": 274.4
  },
  "luminance": 0.03031
}

Semantic roles & 50–950 ramp

primary

#231F85

secondary

#B3B749

accent

#E543DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #231F85

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

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