#02102B#02102B

#02102B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 17.9% C 0.059 H 259.2°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#02102B
RGB	rgb(2, 16, 43)
HSL	hsl(220, 91%, 9%)
HSV	hsv(220, 95%, 17%)
CMYK	cmyk(95.3%, 62.8%, 0%, 83.1%)
CIE-LAB	lab(5.04, 4.75, -19.48)
CIE-LCH	lch(5.04, 20.05, 283.71°)
OKLab	oklab(17.93% -0.0111 -0.0584)
OKLCH	oklch(17.93% 0.059 259.2)
XYZ	xyz(0.6462, 0.5578, 2.3586)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02102B #2B1D02

analogous

#02252B #02102B #09022B

triadic

#02102B #2B0210 #102B02

tetradic

#02102B #2B0225 #2B1D02 #022B09

square

#02102B #2B0225 #2B1D02 #022B09

split-complementary

#02102B #2B0902 #252B02

monochromatic

#010B1D #010B1D #02102B #052665 #073CA0

Accessibility & contrast

On white

18.89

#02102B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#02102B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02102B

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02102B	#FFFFFF	#000000	##FFFFFF
##02102B	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02132C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #02102b;
/* rgb */ color: rgb(2, 16, 43);
/* oklch */ color: oklch(17.9% 0.059 259.2);

Tailwind

colors: {
  custom: {
    50: '#484e64',
    500: '#02102b',
    950: '#000000',
  },
}

SCSS

$custom: #02102b;
$custom-light: #484e64;
$custom-dark: #000000;

JSON

{
  "hex": "#02102b",
  "rgb": {
    "r": 2,
    "g": 16,
    "b": 43
  },
  "hsl": {
    "h": 219.512,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.17929,
    "c": 0.05949,
    "h": 259.2
  },
  "luminance": 0.00558
}

Semantic roles & 50–950 ramp

primary

#02102B

secondary

#705219

accent

#B629FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #02102B

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

Preview Lab → · Contrast checker → · Palette generator →