#2C3591#2C3591

#2C3591 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.150 H 272.8°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#2C3591
RGB	rgb(44, 53, 145)
HSL	hsl(235, 53%, 37%)
HSV	hsv(235, 70%, 57%)
CMYK	cmyk(69.7%, 63.4%, 0%, 43.1%)
CIE-LAB	lab(27.09, 27.97, -51.95)
CIE-LCH	lch(27.09, 59.00, 298.30°)
OKLab	oklab(38.26% 0.0072 -0.1498)
OKLCH	oklch(38.26% 0.15 272.8)
XYZ	xyz(7.4209, 5.1253, 27.3808)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3591 #91882C

analogous

#2C6891 #2C3591 #552C91

triadic

#2C3591 #912C35 #35912C

tetradic

#2C3591 #912C68 #91882C #2C9155

square

#2C3591 #912C68 #91882C #2C9155

split-complementary

#2C3591 #91552C #68912C

monochromatic

#101333 #1E2462 #2C3591 #3A46C0 #6770D1

Accessibility & contrast

On white

10.37

#2C3591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2C3591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3591

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3591	#FFFFFF	#000000	##FFFFFF
##2C3591	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004594

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c3591;
/* rgb */ color: rgb(44, 53, 145);
/* oklch */ color: oklch(38.3% 0.150 272.8);

Tailwind

colors: {
  custom: {
    50: '#736cb2',
    500: '#2c3591',
    950: '#000000',
  },
}

SCSS

$custom: #2c3591;
$custom-light: #736cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3591",
  "rgb": {
    "r": 44,
    "g": 53,
    "b": 145
  },
  "hsl": {
    "h": 234.653,
    "s": 53.439,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38264,
    "c": 0.15002,
    "h": 272.8
  },
  "luminance": 0.05126
}

Semantic roles & 50–950 ramp

primary

#2C3591

secondary

#B7B062

accent

#D04BDD

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2C3591

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

Preview Lab → · Contrast checker → · Palette generator →