#231780#231780

#231780 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.163 H 276.2°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#231780
RGB	rgb(35, 23, 128)
HSL	hsl(247, 70%, 30%)
HSV	hsv(247, 82%, 50%)
CMYK	cmyk(72.7%, 82%, 0%, 49.8%)
CIE-LAB	lab(18.05, 39.27, -56.20)
CIE-LCH	lch(18.05, 68.57, 304.94°)
OKLab	oklab(31.09% 0.0177 -0.1625)
OKLCH	oklch(31.09% 0.163 276.2)
XYZ	xyz(4.8945, 2.5282, 20.6479)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231780 #748017

analogous

#174080 #231780 #581780

triadic

#231780 #802317 #178023

tetradic

#231780 #801740 #748017 #178058

square

#231780 #801740 #748017 #178058

split-complementary

#231780 #805817 #408017

monochromatic

#07051A #150E4C #231780 #3120B4 #4936DB

Accessibility & contrast

On white

13.95

#231780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#231780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231780

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231780	#FFFFFF	#000000	##FFFFFF
##231780	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00277E

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231780;
/* rgb */ color: rgb(35, 23, 128);
/* oklch */ color: oklch(31.1% 0.163 276.2);

Tailwind

colors: {
  custom: {
    50: '#6e57a6',
    500: '#231780',
    950: '#000000',
  },
}

SCSS

$custom: #231780;
$custom-light: #6e57a6;
$custom-dark: #000000;

JSON

{
  "hex": "#231780",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 128
  },
  "hsl": {
    "h": 246.857,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31088,
    "c": 0.16343,
    "h": 276.2
  },
  "luminance": 0.02529
}

Semantic roles & 50–950 ramp

primary

#231780

secondary

#A7B43E

accent

#EC3BD8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231780

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

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