#2C288B#2C288B

#2C288B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.158 H 276.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C288B
RGB	rgb(44, 40, 139)
HSL	hsl(242, 55%, 35%)
HSV	hsv(242, 71%, 55%)
CMYK	cmyk(68.3%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(23.39, 34.21, -54.28)
CIE-LCH	lch(23.39, 64.16, 302.22°)
OKLab	oklab(35.4% 0.0177 -0.1567)
OKLCH	oklch(35.4% 0.158 276.5)
XYZ	xyz(6.4562, 3.9166, 24.8368)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C288B #878B28

analogous

#28568B #2C288B #5D288B

triadic

#2C288B #8B2C28 #288B2C

tetradic

#2C288B #8B2856 #878B28 #288B5D

square

#2C288B #8B2856 #878B28 #288B5D

split-complementary

#2C288B #8B5D28 #568B28

monochromatic

#0E0D2C #1D1A5B #2C288B #3B36BB #625DD0

Accessibility & contrast

On white

11.78

#2C288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2C288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C288B

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C288B	#FFFFFF	#000000	##FFFFFF
##2C288B	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2c288b;
/* rgb */ color: rgb(44, 40, 139);
/* oklch */ color: oklch(35.4% 0.158 276.5);

Tailwind

colors: {
  custom: {
    50: '#7363ae',
    500: '#2c288b',
    950: '#000000',
  },
}

SCSS

$custom: #2c288b;
$custom-light: #7363ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2c288b",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 242.424,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35404,
    "c": 0.15774,
    "h": 276.5
  },
  "luminance": 0.03917
}

Semantic roles & 50–950 ramp

primary

#2C288B

secondary

#B2B659

accent

#DF49D9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #2C288B

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

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