#2D3FA4#2D3FA4

#2D3FA4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.163 H 270.0°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA4
RGB	rgb(45, 63, 164)
HSL	hsl(231, 57%, 41%)
HSV	hsv(231, 73%, 64%)
CMYK	cmyk(72.6%, 61.6%, 0%, 35.7%)
CIE-LAB	lab(31.33, 28.51, -56.59)
CIE-LCH	lch(31.33, 63.37, 296.74°)
OKLab	oklab(41.91% 0 -0.1634)
OKLCH	oklch(41.91% 0.163 270)
XYZ	xyz(9.5582, 6.7923, 35.9221)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA4 #A4922D

analogous

#2D7AA4 #2D3FA4 #562DA4

triadic

#2D3FA4 #A42D3F #3FA42D

tetradic

#2D3FA4 #A42D7A #A4922D #2DA456

square

#2D3FA4 #A42D7A #A4922D #2DA456

split-complementary

#2D3FA4 #A4562D #7AA42D

monochromatic

#131A44 #202D74 #2D3FA4 #4357CB #7382D9

Accessibility & contrast

On white

8.90

#2D3FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2D3FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA4

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA4	#FFFFFF	#000000	##FFFFFF
##2D3FA4	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0044A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3fa4;
/* rgb */ color: rgb(45, 63, 164);
/* oklch */ color: oklch(41.9% 0.163 270.0);

Tailwind

colors: {
  custom: {
    50: '#7774c0',
    500: '#2d3fa4',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa4;
$custom-light: #7774c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa4",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 230.924,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41914,
    "c": 0.16337,
    "h": 270
  },
  "luminance": 0.06793
}

Semantic roles & 50–950 ramp

primary

#2D3FA4

secondary

#C0B36D

accent

#C948E0

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D3FA4

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

Preview Lab → · Contrast checker → · Palette generator →