#2A3887#2A3887

#2A3887 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.132 H 271.1°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2A3887
RGB	rgb(42, 56, 135)
HSL	hsl(231, 53%, 35%)
HSV	hsv(231, 69%, 53%)
CMYK	cmyk(68.9%, 58.5%, 0%, 47.1%)
CIE-LAB	lab(26.93, 21.92, -46.02)
CIE-LCH	lch(26.93, 50.97, 295.47°)
OKLab	oklab(37.85% 0.0025 -0.1325)
OKLCH	oklch(37.85% 0.132 271.1)
XYZ	xyz(6.7407, 5.0692, 23.5402)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3887 #87792A

analogous

#2A6687 #2A3887 #4B2A87

triadic

#2A3887 #872A38 #38872A

tetradic

#2A3887 #872A66 #87792A #2A874B

square

#2A3887 #872A66 #87792A #2A874B

split-complementary

#2A3887 #874B2A #66872A

monochromatic

#0D112A #1B2558 #2A3887 #394BB6 #5E6FCD

Accessibility & contrast

On white

10.43

#2A3887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2A3887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3887

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3887	#FFFFFF	#000000	##FFFFFF
##2A3887	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a3887;
/* rgb */ color: rgb(42, 56, 135);
/* oklch */ color: oklch(37.9% 0.132 271.1);

Tailwind

colors: {
  custom: {
    50: '#6f6eab',
    500: '#2a3887',
    950: '#000000',
  },
}

SCSS

$custom: #2a3887;
$custom-light: #6f6eab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3887",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 135
  },
  "hsl": {
    "h": 230.968,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37855,
    "c": 0.13247,
    "h": 271.1
  },
  "luminance": 0.0507
}

Semantic roles & 50–950 ramp

primary

#2A3887

secondary

#B3A55A

accent

#C64CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3887

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

Preview Lab → · Contrast checker → · Palette generator →