#021840#021840

#021840 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.082 H 259.9°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#021840
RGB	rgb(2, 24, 64)
HSL	hsl(219, 94%, 13%)
HSV	hsv(219, 97%, 25%)
CMYK	cmyk(96.9%, 62.5%, 0%, 74.9%)
CIE-LAB	lab(9.29, 9.85, -27.93)
CIE-LCH	lch(9.29, 29.62, 289.42°)
OKLab	oklab(22.13% -0.0144 -0.0807)
OKLCH	oklch(22.13% 0.082 259.9)
XYZ	xyz(1.2767, 1.0362, 4.9822)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021840 #402A02

analogous

#023740 #021840 #0B0240

triadic

#021840 #400218 #184002

tetradic

#021840 #400237 #402A02 #02400B

square

#021840 #400237 #402A02 #02400B

split-complementary

#021840 #400B02 #374002

monochromatic

#010B1E #010B1E #021840 #042E7B #0645B7

Accessibility & contrast

On white

17.40

#021840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#021840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021840

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021840	#FFFFFF	#000000	##FFFFFF
##021840	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00173F

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #021840;
/* rgb */ color: rgb(2, 24, 64);
/* oklch */ color: oklch(22.1% 0.082 259.9);

Tailwind

colors: {
  custom: {
    50: '#505475',
    500: '#021840',
    950: '#000000',
  },
}

SCSS

$custom: #021840;
$custom-light: #505475;
$custom-dark: #000000;

JSON

{
  "hex": "#021840",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 64
  },
  "hsl": {
    "h": 218.71,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22133,
    "c": 0.082,
    "h": 259.9
  },
  "luminance": 0.01036
}

Semantic roles & 50–950 ramp

primary

#021840

secondary

#835E1B

accent

#B329FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #021840

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

Preview Lab → · Contrast checker → · Palette generator →