#2C3587#2C3587

#2C3587 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.136 H 273.1°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#2C3587
RGB	rgb(44, 53, 135)
HSL	hsl(234, 51%, 35%)
HSV	hsv(234, 67%, 53%)
CMYK	cmyk(67.4%, 60.7%, 0%, 47.1%)
CIE-LAB	lab(26.25, 24.28, -47.13)
CIE-LCH	lch(26.25, 53.01, 297.26°)
OKLab	oklab(37.38% 0.0074 -0.1357)
OKLCH	oklch(37.38% 0.136 273.1)
XYZ	xyz(6.6835, 4.8304, 23.4971)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3587 #877E2C

analogous

#2C6287 #2C3587 #512C87

triadic

#2C3587 #872C35 #35872C

tetradic

#2C3587 #872C62 #877E2C #2C8751

square

#2C3587 #872C62 #877E2C #2C8751

split-complementary

#2C3587 #87512C #62872C

monochromatic

#0E112B #1D2359 #2C3587 #3B47B5 #626CCC

Accessibility & contrast

On white

10.68

#2C3587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2C3587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3587

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3587	#FFFFFF	#000000	##FFFFFF
##2C3587	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c3587;
/* rgb */ color: rgb(44, 53, 135);
/* oklch */ color: oklch(37.4% 0.136 273.1);

Tailwind

colors: {
  custom: {
    50: '#716cab',
    500: '#2c3587',
    950: '#000000',
  },
}

SCSS

$custom: #2c3587;
$custom-light: #716cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3587",
  "rgb": {
    "r": 44,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 234.066,
    "s": 50.838,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37377,
    "c": 0.13589,
    "h": 273.1
  },
  "luminance": 0.04831
}

Semantic roles & 50–950 ramp

primary

#2C3587

secondary

#B2AA5D

accent

#CC4DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2C3587

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

Preview Lab → · Contrast checker → · Palette generator →