#2C3183#2C3183

#2C3183 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.135 H 274.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2C3183
RGB	rgb(44, 49, 131)
HSL	hsl(237, 50%, 34%)
HSV	hsv(237, 66%, 51%)
CMYK	cmyk(66.4%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(24.86, 25.50, -46.88)
CIE-LCH	lch(24.86, 53.37, 298.55°)
OKLab	oklab(36.25% 0.0112 -0.135)
OKLCH	oklch(36.25% 0.135 274.7)
XYZ	xyz(6.2324, 4.3703, 21.9834)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3183 #837E2C

analogous

#2C5D83 #2C3183 #532C83

triadic

#2C3183 #832C31 #31832C

tetradic

#2C3183 #832C5D #837E2C #2C8353

square

#2C3183 #832C5D #837E2C #2C8353

split-complementary

#2C3183 #83532C #5D832C

monochromatic

#0D0F27 #1D2055 #2C3183 #3B42B1 #6066CA

Accessibility & contrast

On white

11.20

#2C3183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2C3183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3183

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3183	#FFFFFF	#000000	##FFFFFF
##2C3183	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2c3183;
/* rgb */ color: rgb(44, 49, 131);
/* oklch */ color: oklch(36.2% 0.135 274.7);

Tailwind

colors: {
  custom: {
    50: '#7069a8',
    500: '#2c3183',
    950: '#000000',
  },
}

SCSS

$custom: #2c3183;
$custom-light: #7069a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3183",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 236.552,
    "s": 49.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36247,
    "c": 0.13548,
    "h": 274.7
  },
  "luminance": 0.04371
}

Semantic roles & 50–950 ramp

primary

#2C3183

secondary

#B0AB5B

accent

#D14FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2C3183

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

Preview Lab → · Contrast checker → · Palette generator →