#2C31A2#2C31A2

#2C31A2 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.178 H 272.8°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2C31A2
RGB	rgb(44, 49, 162)
HSL	hsl(237, 57%, 40%)
HSV	hsv(237, 73%, 64%)
CMYK	cmyk(72.8%, 69.8%, 0%, 36.5%)
CIE-LAB	lab(27.68, 36.67, -61.36)
CIE-LCH	lch(27.68, 71.49, 300.87°)
OKLab	oklab(39.17% 0.0086 -0.1774)
OKLCH	oklch(39.17% 0.178 272.8)
XYZ	xyz(8.6564, 5.3399, 34.7499)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31A2 #A29D2C

analogous

#2C6CA2 #2C31A2 #622CA2

triadic

#2C31A2 #A22C31 #31A22C

tetradic

#2C31A2 #A22C6C #A29D2C #2CA262

square

#2C31A2 #A22C6C #A29D2C #2CA262

split-complementary

#2C31A2 #A2622C #6CA22C

monochromatic

#121442 #1F2272 #2C31A2 #4046CB #7075D8

Accessibility & contrast

On white

10.15

#2C31A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2C31A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31A2

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31A2	#FFFFFF	#000000	##FFFFFF
##2C31A2	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A5

Deuteranopia (green-blind)

#003CA0

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c31a2;
/* rgb */ color: rgb(44, 49, 162);
/* oklch */ color: oklch(39.2% 0.178 272.8);

Tailwind

colors: {
  custom: {
    50: '#776abf',
    500: '#2c31a2',
    950: '#000000',
  },
}

SCSS

$custom: #2c31a2;
$custom-light: #776abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31a2",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 162
  },
  "hsl": {
    "h": 237.458,
    "s": 57.282,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39174,
    "c": 0.17765,
    "h": 272.8
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#2C31A2

secondary

#BFBC6A

accent

#DA47E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2C31A2

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

Preview Lab → · Contrast checker → · Palette generator →