#2A3884#2A3884

#2A3884 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.128 H 271.0°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A3884
RGB	rgb(42, 56, 132)
HSL	hsl(231, 52%, 34%)
HSV	hsv(231, 68%, 52%)
CMYK	cmyk(68.2%, 57.6%, 0%, 48.2%)
CIE-LAB	lab(26.69, 20.78, -44.53)
CIE-LCH	lch(26.69, 49.14, 295.02°)
OKLab	oklab(37.6% 0.0023 -0.1281)
OKLCH	oklch(37.6% 0.128 271)
XYZ	xyz(6.5325, 4.9859, 22.4434)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3884 #84762A

analogous

#2A6584 #2A3884 #492A84

triadic

#2A3884 #842A38 #38842A

tetradic

#2A3884 #842A65 #84762A #2A8449

square

#2A3884 #842A65 #84762A #2A8449

split-complementary

#2A3884 #84492A #65842A

monochromatic

#0C1127 #1B2456 #2A3884 #394CB2 #5D6ECB

Accessibility & contrast

On white

10.51

#2A3884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2A3884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3884

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3884	#FFFFFF	#000000	##FFFFFF
##2A3884	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3884;
/* rgb */ color: rgb(42, 56, 132);
/* oklch */ color: oklch(37.6% 0.128 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f6ea8',
    500: '#2a3884',
    950: '#000000',
  },
}

SCSS

$custom: #2a3884;
$custom-light: #6f6ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3884",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 132
  },
  "hsl": {
    "h": 230.667,
    "s": 51.724,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37603,
    "c": 0.1281,
    "h": 271
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#2A3884

secondary

#B1A359

accent

#C54DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3884

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

Preview Lab → · Contrast checker → · Palette generator →