#021839#021839

#021839 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.5% C 0.071 H 257.4°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#021839
RGB	rgb(2, 24, 57)
HSL	hsl(216, 93%, 12%)
HSV	hsv(216, 96%, 22%)
CMYK	cmyk(96.5%, 57.9%, 0%, 77.6%)
CIE-LAB	lab(8.67, 6.43, -23.95)
CIE-LCH	lch(8.67, 24.80, 285.04°)
OKLab	oklab(21.46% -0.0154 -0.069)
OKLCH	oklch(21.46% 0.071 257.4)
XYZ	xyz(1.0899, 0.9614, 3.9982)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021839 #392302

analogous

#023439 #021839 #080239

triadic

#021839 #390218 #183902

tetradic

#021839 #390234 #392302 #023908

square

#021839 #390234 #392302 #023908

split-complementary

#021839 #390802 #343902

monochromatic

#010C1E #010C1E #021839 #043174 #064AAF

Accessibility & contrast

On white

17.61

#021839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#021839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021839

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021839	#FFFFFF	#000000	##FFFFFF
##021839	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3A

Deuteranopia (green-blind)

#001638

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #021839;
/* rgb */ color: rgb(2, 24, 57);
/* oklch */ color: oklch(21.5% 0.071 257.4);

Tailwind

colors: {
  custom: {
    50: '#4d5470',
    500: '#021839',
    950: '#000000',
  },
}

SCSS

$custom: #021839;
$custom-light: #4d5470;
$custom-dark: #000000;

JSON

{
  "hex": "#021839",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 57
  },
  "hsl": {
    "h": 216,
    "s": 93.22,
    "l": 11.569
  },
  "oklch": {
    "l": 0.2146,
    "c": 0.07072,
    "h": 257.4
  },
  "luminance": 0.00962
}

Semantic roles & 50–950 ramp

primary

#021839

secondary

#7D551A

accent

#A929FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #021839

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

Preview Lab → · Contrast checker → · Palette generator →