#231C93#231C93

#231C93 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.182 H 273.4°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#231C93
RGB	rgb(35, 28, 147)
HSL	hsl(244, 68%, 34%)
HSV	hsv(244, 81%, 58%)
CMYK	cmyk(76.2%, 81%, 0%, 42.4%)
CIE-LAB	lab(21.18, 42.85, -62.92)
CIE-LCH	lch(21.18, 76.13, 304.26°)
OKLab	oklab(33.93% 0.0107 -0.182)
OKLCH	oklch(33.93% 0.182 273.4)
XYZ	xyz(6.3731, 3.2938, 27.8980)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C93 #8C931C

analogous

#1C5193 #231C93 #5E1C93

triadic

#231C93 #93231C #1C9323

tetradic

#231C93 #931C51 #8C931C #1C935E

square

#231C93 #931C51 #8C931C #1C935E

split-complementary

#231C93 #935E1C #51931C

monochromatic

#0B082C #171260 #231C93 #2F26C6 #554CDD

Accessibility & contrast

On white

12.66

#231C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#231C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C93

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C93	#FFFFFF	#000000	##FFFFFF
##231C93	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002D91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231c93;
/* rgb */ color: rgb(35, 28, 147);
/* oklch */ color: oklch(33.9% 0.182 273.4);

Tailwind

colors: {
  custom: {
    50: '#725bb4',
    500: '#231c93',
    950: '#000000',
  },
}

SCSS

$custom: #231c93;
$custom-light: #725bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#231c93",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 147
  },
  "hsl": {
    "h": 243.529,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3393,
    "c": 0.18234,
    "h": 273.4
  },
  "luminance": 0.03294
}

Semantic roles & 50–950 ramp

primary

#231C93

secondary

#B8BF4C

accent

#EB3DE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231C93

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

Preview Lab → · Contrast checker → · Palette generator →