#231582#231582

#231582 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.168 H 276.2°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#231582
RGB	rgb(35, 21, 130)
HSL	hsl(248, 72%, 30%)
HSV	hsv(248, 84%, 51%)
CMYK	cmyk(73.1%, 83.8%, 0%, 49%)
CIE-LAB	lab(17.94, 40.92, -57.65)
CIE-LCH	lch(17.94, 70.69, 305.37°)
OKLab	oklab(31.09% 0.018 -0.1666)
OKLCH	oklch(31.09% 0.168 276.2)
XYZ	xyz(4.9892, 2.5049, 21.3353)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231582 #748215

analogous

#153E82 #231582 #591582

triadic

#231582 #822315 #158223

tetradic

#231582 #82153E #748215 #158259

square

#231582 #82153E #748215 #158259

split-complementary

#231582 #825915 #3E8215

monochromatic

#07041A #150C4D #231582 #311EB7 #4933DE

Accessibility & contrast

On white

13.99

#231582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#231582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231582

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231582	#FFFFFF	#000000	##FFFFFF
##231582	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003085

Deuteranopia (green-blind)

#002780

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231582;
/* rgb */ color: rgb(35, 21, 130);
/* oklch */ color: oklch(31.1% 0.168 276.2);

Tailwind

colors: {
  custom: {
    50: '#6f56a8',
    500: '#231582',
    950: '#000000',
  },
}

SCSS

$custom: #231582;
$custom-light: #6f56a8;
$custom-dark: #000000;

JSON

{
  "hex": "#231582",
  "rgb": {
    "r": 35,
    "g": 21,
    "b": 130
  },
  "hsl": {
    "h": 247.706,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31085,
    "c": 0.16759,
    "h": 276.2
  },
  "luminance": 0.02505
}

Semantic roles & 50–950 ramp

primary

#231582

secondary

#A7B73C

accent

#EF39D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #231582

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

Preview Lab → · Contrast checker → · Palette generator →