#231C76#231C76

#231C76 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.146 H 276.9°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#231C76
RGB	rgb(35, 28, 118)
HSL	hsl(245, 62%, 29%)
HSV	hsv(245, 76%, 46%)
CMYK	cmyk(70.3%, 76.3%, 0%, 53.7%)
CIE-LAB	lab(17.90, 33.11, -50.06)
CIE-LCH	lch(17.90, 60.02, 303.48°)
OKLab	oklab(30.65% 0.0175 -0.1446)
OKLCH	oklch(30.65% 0.146 276.9)
XYZ	xyz(4.3773, 2.4955, 17.3870)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C76 #6F761C

analogous

#1C4276 #231C76 #501C76

triadic

#231C76 #76231C #1C7623

tetradic

#231C76 #761C42 #6F761C #1C7650

square

#231C76 #761C42 #6F761C #1C7650

split-complementary

#231C76 #76501C #42761C

monochromatic

#070619 #141045 #231C76 #3228A7 #473CD1

Accessibility & contrast

On white

14.01

#231C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#231C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C76

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C76	#FFFFFF	#000000	##FFFFFF
##231C76	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002874

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231c76;
/* rgb */ color: rgb(35, 28, 118);
/* oklch */ color: oklch(30.6% 0.146 276.9);

Tailwind

colors: {
  custom: {
    50: '#6b5a9e',
    500: '#231c76',
    950: '#000000',
  },
}

SCSS

$custom: #231c76;
$custom-light: #6b5a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#231c76",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 118
  },
  "hsl": {
    "h": 244.667,
    "s": 61.644,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30649,
    "c": 0.14568,
    "h": 276.9
  },
  "luminance": 0.02496
}

Semantic roles & 50–950 ramp

primary

#231C76

secondary

#A2AA44

accent

#E543D8

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #231C76

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

Preview Lab → · Contrast checker → · Palette generator →