#2C288D#2C288D

#2C288D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.160 H 276.2°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#2C288D
RGB	rgb(44, 40, 141)
HSL	hsl(242, 56%, 35%)
HSV	hsv(242, 72%, 55%)
CMYK	cmyk(68.8%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(23.59, 34.90, -55.20)
CIE-LCH	lch(23.59, 65.31, 302.30°)
OKLab	oklab(35.61% 0.0174 -0.1594)
OKLCH	oklch(35.61% 0.16 276.2)
XYZ	xyz(6.6036, 3.9756, 25.6135)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C288D #898D28

analogous

#28568D #2C288D #5E288D

triadic

#2C288D #8D2C28 #288D2C

tetradic

#2C288D #8D2856 #898D28 #288D5E

square

#2C288D #8D2856 #898D28 #288D5E

split-complementary

#2C288D #8D5E28 #568D28

monochromatic

#0E0D2E #1D1A5D #2C288D #3B36BD #635ED1

Accessibility & contrast

On white

11.70

#2C288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2C288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C288D

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C288D	#FFFFFF	#000000	##FFFFFF
##2C288D	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2c288d;
/* rgb */ color: rgb(44, 40, 141);
/* oklch */ color: oklch(35.6% 0.160 276.2);

Tailwind

colors: {
  custom: {
    50: '#7363af',
    500: '#2c288d',
    950: '#000000',
  },
}

SCSS

$custom: #2c288d;
$custom-light: #7363af;
$custom-dark: #000000;

JSON

{
  "hex": "#2c288d",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 242.376,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35606,
    "c": 0.16039,
    "h": 276.2
  },
  "luminance": 0.03976
}

Semantic roles & 50–950 ramp

primary

#2C288D

secondary

#B3B75A

accent

#DF49D9

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #2C288D

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

Preview Lab → · Contrast checker → · Palette generator →