#2B3EAB#2B3EAB

#2B3EAB is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.175 H 269.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EAB
RGB	rgb(43, 62, 171)
HSL	hsl(231, 60%, 42%)
HSV	hsv(231, 75%, 67%)
CMYK	cmyk(74.9%, 63.7%, 0%, 32.9%)
CIE-LAB	lab(31.57, 31.51, -60.40)
CIE-LCH	lch(31.57, 68.13, 297.55°)
OKLab	oklab(42.25% -0.0014 -0.1746)
OKLCH	oklch(42.25% 0.175 269.5)
XYZ	xyz(10.0670, 6.8980, 39.3211)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EAB #AB982B

analogous

#2B7EAB #2B3EAB #582BAB

triadic

#2B3EAB #AB2B3E #3EAB2B

tetradic

#2B3EAB #AB2B7E #AB982B #2BAB58

square

#2B3EAB #AB2B7E #AB982B #2BAB58

split-complementary

#2B3EAB #AB582B #7EAB2B

monochromatic

#121B49 #1F2C7A #2B3EAB #4358D0 #7484DC

Accessibility & contrast

On white

8.82

#2B3EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B3EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EAB

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EAB	#FFFFFF	#000000	##FFFFFF
##2B3EAB	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3eab;
/* rgb */ color: rgb(43, 62, 171);
/* oklch */ color: oklch(42.3% 0.175 269.5);

Tailwind

colors: {
  custom: {
    50: '#7873c5',
    500: '#2b3eab',
    950: '#000000',
  },
}

SCSS

$custom: #2b3eab;
$custom-light: #7873c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3eab",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 171
  },
  "hsl": {
    "h": 231.094,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42252,
    "c": 0.1746,
    "h": 269.5
  },
  "luminance": 0.06899
}

Semantic roles & 50–950 ramp

primary

#2B3EAB

secondary

#C4B76E

accent

#CB45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3EAB

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

Preview Lab → · Contrast checker → · Palette generator →