#2C3187#2C3187

#2C3187 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.141 H 274.5°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#2C3187
RGB	rgb(44, 49, 135)
HSL	hsl(237, 51%, 35%)
HSV	hsv(237, 67%, 53%)
CMYK	cmyk(67.4%, 63.7%, 0%, 47.1%)
CIE-LAB	lab(25.20, 26.97, -48.83)
CIE-LCH	lch(25.20, 55.78, 298.91°)
OKLab	oklab(36.61% 0.011 -0.1407)
OKLCH	oklch(36.61% 0.141 274.5)
XYZ	xyz(6.5087, 4.4808, 23.4389)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3187 #87822C

analogous

#2C5F87 #2C3187 #542C87

triadic

#2C3187 #872C31 #31872C

tetradic

#2C3187 #872C5F #87822C #2C8754

square

#2C3187 #872C5F #87822C #2C8754

split-complementary

#2C3187 #87542C #5F872C

monochromatic

#0E0F2B #1D2059 #2C3187 #3B42B5 #6268CC

Accessibility & contrast

On white

11.07

#2C3187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2C3187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3187

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3187	#FFFFFF	#000000	##FFFFFF
##2C3187	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c3187;
/* rgb */ color: rgb(44, 49, 135);
/* oklch */ color: oklch(36.6% 0.141 274.5);

Tailwind

colors: {
  custom: {
    50: '#7169ab',
    500: '#2c3187',
    950: '#000000',
  },
}

SCSS

$custom: #2c3187;
$custom-light: #7169ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3187",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 135
  },
  "hsl": {
    "h": 236.703,
    "s": 50.838,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36606,
    "c": 0.14116,
    "h": 274.5
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#2C3187

secondary

#B2AD5D

accent

#D34DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2C3187

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

Preview Lab → · Contrast checker → · Palette generator →