#231D94#231D94

#231D94 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.183 H 273.2°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#231D94
RGB	rgb(35, 29, 148)
HSL	hsl(243, 67%, 35%)
HSV	hsv(243, 80%, 58%)
CMYK	cmyk(76.4%, 80.4%, 0%, 42%)
CIE-LAB	lab(21.48, 42.66, -63.04)
CIE-LCH	lch(21.48, 76.12, 304.08°)
OKLab	oklab(34.17% 0.0101 -0.1824)
OKLCH	oklch(34.17% 0.183 273.2)
XYZ	xyz(6.4760, 3.3735, 28.3211)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D94 #8E941D

analogous

#1D5394 #231D94 #5E1D94

triadic

#231D94 #94231D #1D9423

tetradic

#231D94 #941D53 #8E941D #1D945E

square

#231D94 #941D53 #8E941D #1D945E

split-complementary

#231D94 #945E1D #53941D

monochromatic

#0B092E #171361 #231D94 #2F27C7 #564FDC

Accessibility & contrast

On white

12.54

#231D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#231D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D94

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D94	#FFFFFF	#000000	##FFFFFF
##231D94	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002E92

Tritanopia (blue-blind)

#004258

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #231d94;
/* rgb */ color: rgb(35, 29, 148);
/* oklch */ color: oklch(34.2% 0.183 273.2);

Tailwind

colors: {
  custom: {
    50: '#725cb5',
    500: '#231d94',
    950: '#000000',
  },
}

SCSS

$custom: #231d94;
$custom-light: #725cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#231d94",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 148
  },
  "hsl": {
    "h": 243.025,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34173,
    "c": 0.18269,
    "h": 273.2
  },
  "luminance": 0.03374
}

Semantic roles & 50–950 ramp

primary

#231D94

secondary

#B9BF4E

accent

#EA3EE1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #231D94

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

Preview Lab → · Contrast checker → · Palette generator →