#231977#231977

#231977 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.150 H 277.3°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#231977
RGB	rgb(35, 25, 119)
HSL	hsl(246, 65%, 28%)
HSV	hsv(246, 79%, 47%)
CMYK	cmyk(70.6%, 79%, 0%, 53.3%)
CIE-LAB	lab(17.39, 35.21, -51.55)
CIE-LCH	lch(17.39, 62.43, 304.34°)
OKLab	oklab(30.32% 0.0191 -0.1489)
OKLCH	oklch(30.32% 0.15 277.3)
XYZ	xyz(4.3695, 2.3841, 17.6791)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231977 #6D7719

analogous

#193E77 #231977 #521977

triadic

#231977 #772319 #197723

tetradic

#231977 #77193E #6D7719 #197752

square

#231977 #77193E #6D7719 #197752

split-complementary

#231977 #775219 #3E7719

monochromatic

#070519 #140E44 #231977 #3224AA #4736D5

Accessibility & contrast

On white

14.22

#231977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#231977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231977

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231977	#FFFFFF	#000000	##FFFFFF
##231977	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7A

Deuteranopia (green-blind)

#002775

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #231977;
/* rgb */ color: rgb(35, 25, 119);
/* oklch */ color: oklch(30.3% 0.150 277.3);

Tailwind

colors: {
  custom: {
    50: '#6c589f',
    500: '#231977',
    950: '#000000',
  },
}

SCSS

$custom: #231977;
$custom-light: #6c589f;
$custom-dark: #000000;

JSON

{
  "hex": "#231977",
  "rgb": {
    "r": 35,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 246.383,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3032,
    "c": 0.15016,
    "h": 277.3
  },
  "luminance": 0.02384
}

Semantic roles & 50–950 ramp

primary

#231977

secondary

#A0AC40

accent

#E840D6

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #231977

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

Preview Lab → · Contrast checker → · Palette generator →