#2C3188#2C3188

#2C3188 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.143 H 274.4°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2C3188
RGB	rgb(44, 49, 136)
HSL	hsl(237, 51%, 35%)
HSV	hsv(237, 68%, 53%)
CMYK	cmyk(67.6%, 64%, 0%, 46.7%)
CIE-LAB	lab(25.29, 27.34, -49.31)
CIE-LCH	lch(25.29, 56.38, 299.00°)
OKLab	oklab(36.7% 0.011 -0.1421)
OKLCH	oklch(36.7% 0.143 274.4)
XYZ	xyz(6.5795, 4.5091, 23.8114)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3188 #88832C

analogous

#2C5F88 #2C3188 #552C88

triadic

#2C3188 #882C31 #31882C

tetradic

#2C3188 #882C5F #88832C #2C8855

square

#2C3188 #882C5F #88832C #2C8855

split-complementary

#2C3188 #88552C #5F882C

monochromatic

#0E102C #1D205A #2C3188 #3B42B6 #6268CC

Accessibility & contrast

On white

11.04

#2C3188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2C3188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3188

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3188	#FFFFFF	#000000	##FFFFFF
##2C3188	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003886

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c3188;
/* rgb */ color: rgb(44, 49, 136);
/* oklch */ color: oklch(36.7% 0.143 274.4);

Tailwind

colors: {
  custom: {
    50: '#7169ab',
    500: '#2c3188',
    950: '#000000',
  },
}

SCSS

$custom: #2c3188;
$custom-light: #7169ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3188",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 136
  },
  "hsl": {
    "h": 236.739,
    "s": 51.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36696,
    "c": 0.14257,
    "h": 274.4
  },
  "luminance": 0.0451
}

Semantic roles & 50–950 ramp

primary

#2C3188

secondary

#B3AE5D

accent

#D34DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2C3188

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

Preview Lab → · Contrast checker → · Palette generator →