#2D3FA6#2D3FA6

#2D3FA6 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.166 H 270.0°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA6
RGB	rgb(45, 63, 166)
HSL	hsl(231, 57%, 41%)
HSV	hsv(231, 73%, 65%)
CMYK	cmyk(72.9%, 62%, 0%, 34.9%)
CIE-LAB	lab(31.50, 29.25, -57.52)
CIE-LCH	lch(31.50, 64.53, 296.95°)
OKLab	oklab(42.09% 0 -0.1661)
OKLCH	oklch(42.09% 0.166 270)
XYZ	xyz(9.7403, 6.8651, 36.8808)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA6 #A6942D

analogous

#2D7CA6 #2D3FA6 #582DA6

triadic

#2D3FA6 #A62D3F #3FA62D

tetradic

#2D3FA6 #A62D7C #A6942D #2DA658

square

#2D3FA6 #A62D7C #A6942D #2DA658

split-complementary

#2D3FA6 #A6582D #7CA62D

monochromatic

#131A46 #202D76 #2D3FA6 #4458CC #7483D9

Accessibility & contrast

On white

8.85

#2D3FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2D3FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA6

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA6	#FFFFFF	#000000	##FFFFFF
##2D3FA6	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3fa6;
/* rgb */ color: rgb(45, 63, 166);
/* oklch */ color: oklch(42.1% 0.166 270.0);

Tailwind

colors: {
  custom: {
    50: '#7774c1',
    500: '#2d3fa6',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa6;
$custom-light: #7774c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa6",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 166
  },
  "hsl": {
    "h": 231.074,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42091,
    "c": 0.16609,
    "h": 270
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#2D3FA6

secondary

#C1B56E

accent

#CA47E1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D3FA6

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

Preview Lab → · Contrast checker → · Palette generator →