#231783#231783

#231783 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.167 H 275.8°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#231783
RGB	rgb(35, 23, 131)
HSL	hsl(247, 70%, 30%)
HSV	hsv(247, 82%, 51%)
CMYK	cmyk(73.3%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(18.40, 40.24, -57.52)
CIE-LCH	lch(18.40, 70.20, 304.98°)
OKLab	oklab(31.44% 0.0169 -0.1663)
OKLCH	oklch(31.44% 0.167 275.8)
XYZ	xyz(5.0949, 2.6083, 21.7033)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231783 #778317

analogous

#174183 #231783 #591783

triadic

#231783 #832317 #178323

tetradic

#231783 #831741 #778317 #178359

square

#231783 #831741 #778317 #178359

split-complementary

#231783 #835917 #418317

monochromatic

#07051B #150E4F #231783 #3120B7 #4A38DC

Accessibility & contrast

On white

13.80

#231783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#231783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231783

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231783	#FFFFFF	#000000	##FFFFFF
##231783	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003186

Deuteranopia (green-blind)

#002881

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231783;
/* rgb */ color: rgb(35, 23, 131);
/* oklch */ color: oklch(31.4% 0.167 275.8);

Tailwind

colors: {
  custom: {
    50: '#6f57a8',
    500: '#231783',
    950: '#000000',
  },
}

SCSS

$custom: #231783;
$custom-light: #6f57a8;
$custom-dark: #000000;

JSON

{
  "hex": "#231783",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 246.667,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31439,
    "c": 0.16713,
    "h": 275.8
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#231783

secondary

#AAB73F

accent

#ED3BD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #231783

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

Preview Lab → · Contrast checker → · Palette generator →