#231973#231973

#231973 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.145 H 278.0°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#231973
RGB	rgb(35, 25, 115)
HSL	hsl(247, 64%, 27%)
HSV	hsv(247, 78%, 45%)
CMYK	cmyk(69.6%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(16.94, 33.86, -49.70)
CIE-LCH	lch(16.94, 60.14, 304.26°)
OKLab	oklab(29.87% 0.0201 -0.1436)
OKLCH	oklch(29.87% 0.145 278)
XYZ	xyz(4.1343, 2.2900, 16.4405)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231973 #697319

analogous

#193C73 #231973 #501973

triadic

#231973 #732319 #197323

tetradic

#231973 #73193C #697319 #197350

square

#231973 #73193C #697319 #197350

split-complementary

#231973 #735019 #3C7319

monochromatic

#080519 #140E41 #231973 #3224A5 #4534D3

Accessibility & contrast

On white

14.40

#231973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#231973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231973

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231973	#FFFFFF	#000000	##FFFFFF
##231973	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002671

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #231973;
/* rgb */ color: rgb(35, 25, 115);
/* oklch */ color: oklch(29.9% 0.145 278.0);

Tailwind

colors: {
  custom: {
    50: '#6b589c',
    500: '#231973',
    950: '#000000',
  },
}

SCSS

$custom: #231973;
$custom-light: #6b589c;
$custom-dark: #000000;

JSON

{
  "hex": "#231973",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 246.667,
    "s": 64.286,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29874,
    "c": 0.14497,
    "h": 278
  },
  "luminance": 0.0229
}

Semantic roles & 50–950 ramp

primary

#231973

secondary

#9CA840

accent

#E741D5

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #231973

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

Preview Lab → · Contrast checker → · Palette generator →