#2142B3#2142B3

#2142B3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.183 H 266.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2142B3
RGB	rgb(33, 66, 179)
HSL	hsl(226, 69%, 42%)
HSV	hsv(226, 82%, 70%)
CMYK	cmyk(81.6%, 63.1%, 0%, 29.8%)
CIE-LAB	lab(32.86, 30.89, -63.08)
CIE-LCH	lch(32.86, 70.23, 296.09°)
OKLab	oklab(43.3% -0.0127 -0.1826)
OKLCH	oklch(43.3% 0.183 266)
XYZ	xyz(10.7092, 7.4732, 43.5171)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2142B3 #B39221

analogous

#218BB3 #2142B3 #4921B3

triadic

#2142B3 #B32142 #42B321

tetradic

#2142B3 #B3218B #B39221 #21B349

square

#2142B3 #B3218B #B39221 #21B349

split-complementary

#2142B3 #B34921 #8BB321

monochromatic

#0E1C4C #172F7F #2142B3 #375CDA #6B86E4

Accessibility & contrast

On white

8.42

#2142B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2142B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2142B3

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2142B3	#FFFFFF	#000000	##FFFFFF
##2142B3	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2142b3;
/* rgb */ color: rgb(33, 66, 179);
/* oklch */ color: oklch(43.3% 0.183 266.0);

Tailwind

colors: {
  custom: {
    50: '#7676cb',
    500: '#2142b3',
    950: '#000000',
  },
}

SCSS

$custom: #2142b3;
$custom-light: #7676cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2142b3",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 179
  },
  "hsl": {
    "h": 226.438,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43301,
    "c": 0.18301,
    "h": 266
  },
  "luminance": 0.07474
}

Semantic roles & 50–950 ramp

primary

#2142B3

secondary

#CAB366

accent

#C43CEC

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2142B3

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

Preview Lab → · Contrast checker → · Palette generator →