#231481#231481

#231481 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.9% C 0.167 H 276.4°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#231481
RGB	rgb(35, 20, 129)
HSL	hsl(248, 73%, 29%)
HSV	hsv(248, 84%, 51%)
CMYK	cmyk(72.9%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(17.66, 41.08, -57.49)
CIE-LCH	lch(17.66, 70.66, 305.55°)
OKLab	oklab(30.85% 0.0187 -0.1661)
OKLCH	oklch(30.85% 0.167 276.4)
XYZ	xyz(4.9044, 2.4422, 20.9775)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231481 #728114

analogous

#143C81 #231481 #5A1481

triadic

#231481 #812314 #148123

tetradic

#231481 #81143C #728114 #14815A

square

#231481 #81143C #728114 #14815A

split-complementary

#231481 #815A14 #3C8114

monochromatic

#07041A #150C4C #231481 #311CB6 #4830DF

Accessibility & contrast

On white

14.11

#231481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#231481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231481

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231481	#FFFFFF	#000000	##FFFFFF
##231481	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003084

Deuteranopia (green-blind)

#00267F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231481;
/* rgb */ color: rgb(35, 20, 129);
/* oklch */ color: oklch(30.9% 0.167 276.4);

Tailwind

colors: {
  custom: {
    50: '#6e56a7',
    500: '#231481',
    950: '#000000',
  },
}

SCSS

$custom: #231481;
$custom-light: #6e56a7;
$custom-dark: #000000;

JSON

{
  "hex": "#231481",
  "rgb": {
    "r": 35,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 248.257,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30852,
    "c": 0.16719,
    "h": 276.4
  },
  "luminance": 0.02443
}

Semantic roles & 50–950 ramp

primary

#231481

secondary

#A5B63B

accent

#F038D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #231481

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

Preview Lab → · Contrast checker → · Palette generator →