#231970#231970

#231970 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.141 H 278.5°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#231970
RGB	rgb(35, 25, 112)
HSL	hsl(247, 64%, 27%)
HSV	hsv(247, 78%, 44%)
CMYK	cmyk(68.8%, 77.7%, 0%, 56.1%)
CIE-LAB	lab(16.61, 32.83, -48.30)
CIE-LCH	lch(16.61, 58.41, 304.20°)
OKLab	oklab(29.54% 0.0208 -0.1395)
OKLCH	oklch(29.54% 0.141 278.5)
XYZ	xyz(3.9645, 2.2221, 15.5461)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231970 #667019

analogous

#193A70 #231970 #4F1970

triadic

#231970 #702319 #197023

tetradic

#231970 #70193A #667019 #19704F

square

#231970 #70193A #667019 #19704F

split-complementary

#231970 #704F19 #3A7019

monochromatic

#080619 #130E3E #231970 #3324A2 #4432D1

Accessibility & contrast

On white

14.54

#231970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#231970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231970

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231970	#FFFFFF	#000000	##FFFFFF
##231970	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00256E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231970;
/* rgb */ color: rgb(35, 25, 112);
/* oklch */ color: oklch(29.5% 0.141 278.5);

Tailwind

colors: {
  custom: {
    50: '#6a579a',
    500: '#231970',
    950: '#000000',
  },
}

SCSS

$custom: #231970;
$custom-light: #6a579a;
$custom-dark: #000000;

JSON

{
  "hex": "#231970",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 112
  },
  "hsl": {
    "h": 246.897,
    "s": 63.504,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29543,
    "c": 0.14104,
    "h": 278.5
  },
  "luminance": 0.02222
}

Semantic roles & 50–950 ramp

primary

#231970

secondary

#9AA540

accent

#E741D4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #231970

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

Preview Lab → · Contrast checker → · Palette generator →