#2D3788#2D3788

#2D3788 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.134 H 272.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D3788
RGB	rgb(45, 55, 136)
HSL	hsl(233, 50%, 35%)
HSV	hsv(233, 67%, 53%)
CMYK	cmyk(66.9%, 59.6%, 0%, 46.7%)
CIE-LAB	lab(26.93, 23.46, -46.64)
CIE-LCH	lch(26.93, 52.21, 296.71°)
OKLab	oklab(37.92% 0.0068 -0.1342)
OKLCH	oklch(37.92% 0.134 272.9)
XYZ	xyz(6.8908, 5.0672, 23.9027)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3788 #887E2D

analogous

#2D6488 #2D3788 #512D88

triadic

#2D3788 #882D37 #37882D

tetradic

#2D3788 #882D64 #887E2D #2D8851

square

#2D3788 #882D64 #887E2D #2D8851

split-complementary

#2D3788 #88512D #64882D

monochromatic

#0F122C #1E245A #2D3788 #3C4AB6 #646FCC

Accessibility & contrast

On white

10.43

#2D3788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2D3788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3788

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3788	#FFFFFF	#000000	##FFFFFF
##2D3788	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d3788;
/* rgb */ color: rgb(45, 55, 136);
/* oklch */ color: oklch(37.9% 0.134 272.9);

Tailwind

colors: {
  custom: {
    50: '#716dab',
    500: '#2d3788',
    950: '#000000',
  },
}

SCSS

$custom: #2d3788;
$custom-light: #716dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3788",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 136
  },
  "hsl": {
    "h": 233.407,
    "s": 50.276,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37925,
    "c": 0.13439,
    "h": 272.9
  },
  "luminance": 0.05068
}

Semantic roles & 50–950 ramp

primary

#2D3788

secondary

#B2A95F

accent

#CA4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2D3788

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

Preview Lab → · Contrast checker → · Palette generator →