#231870#231870

#231870 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.142 H 278.7°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#231870
RGB	rgb(35, 24, 112)
HSL	hsl(248, 65%, 27%)
HSV	hsv(248, 79%, 44%)
CMYK	cmyk(68.8%, 78.6%, 0%, 56.1%)
CIE-LAB	lab(16.41, 33.42, -48.65)
CIE-LCH	lch(16.41, 59.02, 304.49°)
OKLab	oklab(29.4% 0.0215 -0.1405)
OKLCH	oklch(29.4% 0.142 278.7)
XYZ	xyz(3.9435, 2.1801, 15.5391)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231870 #657018

analogous

#183970 #231870 #4F1870

triadic

#231870 #702318 #187023

tetradic

#231870 #701839 #657018 #18704F

square

#231870 #701839 #657018 #18704F

split-complementary

#231870 #704F18 #397018

monochromatic

#080519 #130D3E #231870 #3323A2 #4430D3

Accessibility & contrast

On white

14.62

#231870 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#231870 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231870

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231870	#FFFFFF	#000000	##FFFFFF
##231870	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00256E

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231870;
/* rgb */ color: rgb(35, 24, 112);
/* oklch */ color: oklch(29.4% 0.142 278.7);

Tailwind

colors: {
  custom: {
    50: '#6a579a',
    500: '#231870',
    950: '#000000',
  },
}

SCSS

$custom: #231870;
$custom-light: #6a579a;
$custom-dark: #000000;

JSON

{
  "hex": "#231870",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 112
  },
  "hsl": {
    "h": 247.5,
    "s": 64.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29397,
    "c": 0.14211,
    "h": 278.7
  },
  "luminance": 0.0218
}

Semantic roles & 50–950 ramp

primary

#231870

secondary

#99A53E

accent

#E840D3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #231870

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

Preview Lab → · Contrast checker → · Palette generator →