#2C3588#2C3588

#2C3588 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.137 H 273.1°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#2C3588
RGB	rgb(44, 53, 136)
HSL	hsl(234, 51%, 35%)
HSV	hsv(234, 68%, 53%)
CMYK	cmyk(67.6%, 61%, 0%, 46.7%)
CIE-LAB	lab(26.33, 24.65, -47.61)
CIE-LCH	lch(26.33, 53.62, 297.37°)
OKLab	oklab(37.46% 0.0074 -0.1371)
OKLCH	oklch(37.46% 0.137 273.1)
XYZ	xyz(6.7543, 4.8587, 23.8696)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3588 #887F2C

analogous

#2C6388 #2C3588 #512C88

triadic

#2C3588 #882C35 #35882C

tetradic

#2C3588 #882C63 #887F2C #2C8851

square

#2C3588 #882C63 #887F2C #2C8851

split-complementary

#2C3588 #88512C #63882C

monochromatic

#0E112C #1D235A #2C3588 #3B47B6 #626DCC

Accessibility & contrast

On white

10.65

#2C3588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2C3588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3588

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3588	#FFFFFF	#000000	##FFFFFF
##2C3588	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c3588;
/* rgb */ color: rgb(44, 53, 136);
/* oklch */ color: oklch(37.5% 0.137 273.1);

Tailwind

colors: {
  custom: {
    50: '#716cab',
    500: '#2c3588',
    950: '#000000',
  },
}

SCSS

$custom: #2c3588;
$custom-light: #716cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3588",
  "rgb": {
    "r": 44,
    "g": 53,
    "b": 136
  },
  "hsl": {
    "h": 234.13,
    "s": 51.111,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37464,
    "c": 0.13733,
    "h": 273.1
  },
  "luminance": 0.04859
}

Semantic roles & 50–950 ramp

primary

#2C3588

secondary

#B3AA5D

accent

#CD4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2C3588

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

Preview Lab → · Contrast checker → · Palette generator →