#2D31C4#2D31C4

#2D31C4 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.220 H 271.2°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2D31C4
RGB	rgb(45, 49, 196)
HSL	hsl(238, 63%, 47%)
HSV	hsv(238, 77%, 77%)
CMYK	cmyk(77%, 75%, 0%, 23.1%)
CIE-LAB	lab(31.20, 48.34, -75.82)
CIE-LCH	lch(31.20, 89.92, 302.52°)
OKLab	oklab(42.74% 0.0046 -0.2195)
OKLCH	oklch(42.74% 0.22 271.2)
XYZ	xyz(12.1409, 6.7387, 52.8747)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D31C4 #C4C02D

analogous

#2D7CC4 #2D31C4 #752DC4

triadic

#2D31C4 #C42D31 #31C42D

tetradic

#2D31C4 #C42D7C #C4C02D #2DC475

square

#2D31C4 #C42D7C #C4C02D #2DC475

split-complementary

#2D31C4 #C4752D #7CC42D

monochromatic

#161860 #222592 #2D31C4 #5659D8 #888AE4

Accessibility & contrast

On white

8.94

#2D31C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2D31C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31C4

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31C4	#FFFFFF	#000000	##FFFFFF
##2D31C4	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C8

Deuteranopia (green-blind)

#0042C1

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2d31c4;
/* rgb */ color: rgb(45, 49, 196);
/* oklch */ color: oklch(42.7% 0.220 271.2);

Tailwind

colors: {
  custom: {
    50: '#806bd7',
    500: '#2d31c4',
    950: '#000000',
  },
}

SCSS

$custom: #2d31c4;
$custom-light: #806bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31c4",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 196
  },
  "hsl": {
    "h": 238.411,
    "s": 62.656,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42744,
    "c": 0.21957,
    "h": 271.2
  },
  "luminance": 0.0674
}

Semantic roles & 50–950 ramp

primary

#2D31C4

secondary

#CDCB80

accent

#E142E6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2D31C4

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

Preview Lab → · Contrast checker → · Palette generator →