#2A188A#2A188A

#2A188A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.173 H 278.2°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#2A188A
RGB	rgb(42, 24, 138)
HSL	hsl(249, 70%, 32%)
HSV	hsv(249, 83%, 54%)
CMYK	cmyk(69.6%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(19.96, 42.59, -59.32)
CIE-LCH	lch(19.96, 73.03, 305.68°)
OKLab	oklab(32.91% 0.0247 -0.1713)
OKLCH	oklch(32.91% 0.173 278.2)
XYZ	xyz(5.8674, 2.9800, 24.3058)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A188A #788A18

analogous

#183F8A #2A188A #63188A

triadic

#2A188A #8A2A18 #188A2A

tetradic

#2A188A #8A183F #788A18 #188A63

square

#2A188A #8A183F #788A18 #188A63

split-complementary

#2A188A #8A6318 #3F8A18

monochromatic

#0A0622 #1A0F56 #2A188A #3A21BE #583FDE

Accessibility & contrast

On white

13.16

#2A188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2A188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A188A

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A188A	#FFFFFF	#000000	##FFFFFF
##2A188A	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002C88

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2a188a;
/* rgb */ color: rgb(42, 24, 138);
/* oklch */ color: oklch(32.9% 0.173 278.2);

Tailwind

colors: {
  custom: {
    50: '#7359ad',
    500: '#2a188a',
    950: '#000000',
  },
}

SCSS

$custom: #2a188a;
$custom-light: #7359ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a188a",
  "rgb": {
    "r": 42,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 249.474,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32909,
    "c": 0.17312,
    "h": 278.2
  },
  "luminance": 0.0298
}

Semantic roles & 50–950 ramp

primary

#2A188A

secondary

#AABD40

accent

#ED3BD1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A188A

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

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