#231A9A#231A9A

#231A9A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.192 H 272.9°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#231A9A
RGB	rgb(35, 26, 154)
HSL	hsl(244, 71%, 35%)
HSV	hsv(244, 83%, 60%)
CMYK	cmyk(77.3%, 83.1%, 0%, 39.6%)
CIE-LAB	lab(21.68, 46.08, -66.41)
CIE-LCH	lch(21.68, 80.83, 304.76°)
OKLab	oklab(34.52% 0.0096 -0.1921)
OKLCH	oklch(34.52% 0.192 272.9)
XYZ	xyz(6.8933, 3.4285, 30.8641)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A9A #919A1A

analogous

#1A519A #231A9A #631A9A

triadic

#231A9A #9A231A #1A9A23

tetradic

#231A9A #9A1A51 #919A1A #1A9A63

square

#231A9A #9A1A51 #919A1A #1A9A63

split-complementary

#231A9A #9A631A #519A1A

monochromatic

#0B0831 #171166 #231A9A #2F23CE #584DE1

Accessibility & contrast

On white

12.46

#231A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#231A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A9A

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A9A	#FFFFFF	#000000	##FFFFFF
##231A9A	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9D

Deuteranopia (green-blind)

#002E98

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231a9a;
/* rgb */ color: rgb(35, 26, 154);
/* oklch */ color: oklch(34.5% 0.192 272.9);

Tailwind

colors: {
  custom: {
    50: '#745bb9',
    500: '#231a9a',
    950: '#000000',
  },
}

SCSS

$custom: #231a9a;
$custom-light: #745bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#231a9a",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 154
  },
  "hsl": {
    "h": 244.219,
    "s": 71.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34522,
    "c": 0.19235,
    "h": 272.9
  },
  "luminance": 0.03429
}

Semantic roles & 50–950 ramp

primary

#231A9A

secondary

#BBC34D

accent

#EE3AE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231A9A

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

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