#2A188B#2A188B

#2A188B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.174 H 278.0°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#2A188B
RGB	rgb(42, 24, 139)
HSL	hsl(249, 71%, 32%)
HSV	hsv(249, 83%, 55%)
CMYK	cmyk(69.8%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(20.08, 42.90, -59.75)
CIE-LCH	lch(20.08, 73.56, 305.68°)
OKLab	oklab(33.02% 0.0244 -0.1726)
OKLCH	oklch(33.02% 0.174 278)
XYZ	xyz(5.9402, 3.0091, 24.6889)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A188B #798B18

analogous

#18408B #2A188B #64188B

triadic

#2A188B #8B2A18 #188B2A

tetradic

#2A188B #8B1840 #798B18 #188B64

square

#2A188B #8B1840 #798B18 #188B64

split-complementary

#2A188B #8B6418 #408B18

monochromatic

#0A0623 #1A0F57 #2A188B #3A21BF #583FDE

Accessibility & contrast

On white

13.11

#2A188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2A188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A188B

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A188B	#FFFFFF	#000000	##FFFFFF
##2A188B	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2a188b;
/* rgb */ color: rgb(42, 24, 139);
/* oklch */ color: oklch(33.0% 0.174 278.0);

Tailwind

colors: {
  custom: {
    50: '#7359ae',
    500: '#2a188b',
    950: '#000000',
  },
}

SCSS

$custom: #2a188b;
$custom-light: #7359ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2a188b",
  "rgb": {
    "r": 42,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 249.391,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33024,
    "c": 0.17432,
    "h": 278
  },
  "luminance": 0.0301
}

Semantic roles & 50–950 ramp

primary

#2A188B

secondary

#ABBE40

accent

#ED3AD1

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A188B

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

Preview Lab → · Contrast checker → · Palette generator →