#231F94#231F94

#231F94 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.181 H 273.0°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#231F94
RGB	rgb(35, 31, 148)
HSL	hsl(242, 65%, 35%)
HSV	hsv(242, 79%, 58%)
CMYK	cmyk(76.4%, 79.1%, 0%, 42%)
CIE-LAB	lab(21.85, 41.59, -62.43)
CIE-LCH	lch(21.85, 75.01, 303.67°)
OKLab	oklab(34.43% 0.0093 -0.1806)
OKLCH	oklch(34.43% 0.181 273)
XYZ	xyz(6.5266, 3.4747, 28.3380)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231F94 #90941F

analogous

#1F5694 #231F94 #5D1F94

triadic

#231F94 #94231F #1F9423

tetradic

#231F94 #941F56 #90941F #1F945D

square

#231F94 #941F56 #90941F #1F945D

split-complementary

#231F94 #945D1F #56941F

monochromatic

#0B0A2F #171461 #231F94 #2F2AC7 #5753DB

Accessibility & contrast

On white

12.39

#231F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#231F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231F94

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231F94	#FFFFFF	#000000	##FFFFFF
##231F94	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A97

Deuteranopia (green-blind)

#002F92

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231f94;
/* rgb */ color: rgb(35, 31, 148);
/* oklch */ color: oklch(34.4% 0.181 273.0);

Tailwind

colors: {
  custom: {
    50: '#725db5',
    500: '#231f94',
    950: '#000000',
  },
}

SCSS

$custom: #231f94;
$custom-light: #725db5;
$custom-dark: #000000;

JSON

{
  "hex": "#231f94",
  "rgb": {
    "r": 35,
    "g": 31,
    "b": 148
  },
  "hsl": {
    "h": 242.051,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34433,
    "c": 0.18089,
    "h": 273
  },
  "luminance": 0.03475
}

Semantic roles & 50–950 ramp

primary

#231F94

secondary

#BABE51

accent

#E83FE3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231F94

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

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