#231C7C#231C7C

#231C7C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.154 H 276.0°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#231C7C
RGB	rgb(35, 28, 124)
HSL	hsl(244, 63%, 30%)
HSV	hsv(244, 77%, 49%)
CMYK	cmyk(71.8%, 77.4%, 0%, 51.4%)
CIE-LAB	lab(18.55, 35.18, -52.82)
CIE-LCH	lch(18.55, 63.47, 303.66°)
OKLab	oklab(31.31% 0.0162 -0.1527)
OKLCH	oklch(31.31% 0.154 276)
XYZ	xyz(4.7453, 2.6426, 19.3249)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C7C #757C1C

analogous

#1C457C #231C7C #531C7C

triadic

#231C7C #7C231C #1C7C23

tetradic

#231C7C #7C1C45 #757C1C #1C7C53

square

#231C7C #7C1C45 #757C1C #1C7C53

split-complementary

#231C7C #7C531C #457C1C

monochromatic

#070619 #15114A #231C7C #3127AE #4A3FD4

Accessibility & contrast

On white

13.74

#231C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C7C

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C7C	#FFFFFF	#000000	##FFFFFF
##231C7C	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231c7c;
/* rgb */ color: rgb(35, 28, 124);
/* oklch */ color: oklch(31.3% 0.154 276.0);

Tailwind

colors: {
  custom: {
    50: '#6c5aa3',
    500: '#231c7c',
    950: '#000000',
  },
}

SCSS

$custom: #231c7c;
$custom-light: #6c5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#231c7c",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 124
  },
  "hsl": {
    "h": 244.375,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31308,
    "c": 0.15354,
    "h": 276
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#231C7C

secondary

#A8B044

accent

#E642DA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #231C7C

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

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