#2C3583#2C3583

#2C3583 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.130 H 273.3°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#2C3583
RGB	rgb(44, 53, 131)
HSL	hsl(234, 50%, 34%)
HSV	hsv(234, 66%, 51%)
CMYK	cmyk(66.4%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.92, 22.80, -45.16)
CIE-LCH	lch(25.92, 50.58, 296.79°)
OKLab	oklab(37.03% 0.0074 -0.1299)
OKLCH	oklch(37.03% 0.13 273.3)
XYZ	xyz(6.4072, 4.7198, 22.0417)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3583 #837A2C

analogous

#2C6183 #2C3583 #4F2C83

triadic

#2C3583 #832C35 #35832C

tetradic

#2C3583 #832C61 #837A2C #2C834F

square

#2C3583 #832C61 #837A2C #2C834F

split-complementary

#2C3583 #834F2C #61832C

monochromatic

#0D1027 #1D2255 #2C3583 #3B48B1 #606BCA

Accessibility & contrast

On white

10.80

#2C3583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2C3583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3583

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3583	#FFFFFF	#000000	##FFFFFF
##2C3583	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2c3583;
/* rgb */ color: rgb(44, 53, 131);
/* oklch */ color: oklch(37.0% 0.130 273.3);

Tailwind

colors: {
  custom: {
    50: '#706ca8',
    500: '#2c3583',
    950: '#000000',
  },
}

SCSS

$custom: #2c3583;
$custom-light: #706ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3583",
  "rgb": {
    "r": 44,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 233.793,
    "s": 49.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37034,
    "c": 0.13011,
    "h": 273.3
  },
  "luminance": 0.0472
}

Semantic roles & 50–950 ramp

primary

#2C3583

secondary

#B0A75B

accent

#CB4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2C3583

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

Preview Lab → · Contrast checker → · Palette generator →