#2D3C8F#2D3C8F

#2D3C8F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.138 H 271.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2D3C8F
RGB	rgb(45, 60, 143)
HSL	hsl(231, 52%, 37%)
HSV	hsv(231, 69%, 56%)
CMYK	cmyk(68.5%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.83, 22.69, -47.88)
CIE-LCH	lch(28.83, 52.98, 295.35°)
OKLab	oklab(39.52% 0.0023 -0.1378)
OKLCH	oklch(39.52% 0.138 271)
XYZ	xyz(7.6543, 5.7721, 26.6920)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3C8F #8F802D

analogous

#2D6D8F #2D3C8F #4F2D8F

triadic

#2D3C8F #8F2D3C #3C8F2D

tetradic

#2D3C8F #8F2D6D #8F802D #2D8F4F

square

#2D3C8F #8F2D6D #8F802D #2D8F4F

split-complementary

#2D3C8F #8F4F2D #6D8F2D

monochromatic

#101532 #1E2860 #2D3C8F #3C50BE #6777CF

Accessibility & contrast

On white

9.75

#2D3C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2D3C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3C8F

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3C8F	#FFFFFF	#000000	##FFFFFF
##2D3C8F	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d3c8f;
/* rgb */ color: rgb(45, 60, 143);
/* oklch */ color: oklch(39.5% 0.138 271.0);

Tailwind

colors: {
  custom: {
    50: '#7271b0',
    500: '#2d3c8f',
    950: '#000000',
  },
}

SCSS

$custom: #2d3c8f;
$custom-light: #7271b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3c8f",
  "rgb": {
    "r": 45,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 230.816,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3952,
    "c": 0.13782,
    "h": 271
  },
  "luminance": 0.05773
}

Semantic roles & 50–950 ramp

primary

#2D3C8F

secondary

#B6A962

accent

#C64CDC

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D3C8F

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

Preview Lab → · Contrast checker → · Palette generator →