#231D93#231D93

#231D93 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.181 H 273.3°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#231D93
RGB	rgb(35, 29, 147)
HSL	hsl(243, 67%, 35%)
HSV	hsv(243, 80%, 58%)
CMYK	cmyk(76.2%, 80.3%, 0%, 42.4%)
CIE-LAB	lab(21.36, 42.33, -62.62)
CIE-LCH	lch(21.36, 75.58, 304.06°)
OKLab	oklab(34.06% 0.0103 -0.1812)
OKLCH	oklch(34.06% 0.181 273.3)
XYZ	xyz(6.3972, 3.3420, 27.9060)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D93 #8D931D

analogous

#1D5293 #231D93 #5E1D93

triadic

#231D93 #93231D #1D9323

tetradic

#231D93 #931D52 #8D931D #1D935E

square

#231D93 #931D52 #8D931D #1D935E

split-complementary

#231D93 #935E1D #52931D

monochromatic

#0B092D #171360 #231D93 #2F27C6 #554EDC

Accessibility & contrast

On white

12.59

#231D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#231D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D93

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D93	#FFFFFF	#000000	##FFFFFF
##231D93	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#002E91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #231d93;
/* rgb */ color: rgb(35, 29, 147);
/* oklch */ color: oklch(34.1% 0.181 273.3);

Tailwind

colors: {
  custom: {
    50: '#725cb4',
    500: '#231d93',
    950: '#000000',
  },
}

SCSS

$custom: #231d93;
$custom-light: #725cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#231d93",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 147
  },
  "hsl": {
    "h": 243.051,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34057,
    "c": 0.18147,
    "h": 273.3
  },
  "luminance": 0.03343
}

Semantic roles & 50–950 ramp

primary

#231D93

secondary

#B9BF4D

accent

#EA3EE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231D93

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

Preview Lab → · Contrast checker → · Palette generator →