#02102F#02102F

#02102F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.066 H 260.8°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#02102F
RGB	rgb(2, 16, 47)
HSL	hsl(221, 92%, 10%)
HSV	hsv(221, 96%, 18%)
CMYK	cmyk(95.7%, 66%, 0%, 81.6%)
CIE-LAB	lab(5.32, 6.71, -22.03)
CIE-LCH	lch(5.32, 23.03, 286.94°)
OKLab	oklab(18.33% -0.0106 -0.0655)
OKLCH	oklch(18.33% 0.066 260.8)
XYZ	xyz(0.7232, 0.5886, 2.7643)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02102F #2F2102

analogous

#02272F #02102F #0A022F

triadic

#02102F #2F0210 #102F02

tetradic

#02102F #2F0227 #2F2102 #022F0A

square

#02102F #2F0227 #2F2102 #022F0A

split-complementary

#02102F #2F0A02 #272F02

monochromatic

#010A1D #010A1D #02102F #04246A #0738A4

Accessibility & contrast

On white

18.79

#02102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#02102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02102F

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02102F	#FFFFFF	#000000	##FFFFFF
##02102F	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001430

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #02102f;
/* rgb */ color: rgb(2, 16, 47);
/* oklch */ color: oklch(18.3% 0.066 260.8);

Tailwind

colors: {
  custom: {
    50: '#4a4e68',
    500: '#02102f',
    950: '#000000',
  },
}

SCSS

$custom: #02102f;
$custom-light: #4a4e68;
$custom-dark: #000000;

JSON

{
  "hex": "#02102f",
  "rgb": {
    "r": 2,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 221.333,
    "s": 91.837,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18331,
    "c": 0.06631,
    "h": 260.8
  },
  "luminance": 0.00589
}

Semantic roles & 50–950 ramp

primary

#02102F

secondary

#745719

accent

#BC29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #02102F

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

Preview Lab → · Contrast checker → · Palette generator →