#02011B#02011B

#02011B is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.1% C 0.063 H 273.5°. Best body text is #FFFFFF at 20.53:1 contrast (WCAG AA passes).

Color values

HEX	#02011B
RGB	rgb(2, 1, 27)
HSL	hsl(242, 93%, 5%)
HSV	hsv(242, 96%, 11%)
CMYK	cmyk(92.6%, 96.3%, 0%, 89.4%)
CIE-LAB	lab(1.03, 5.15, -13.16)
CIE-LCH	lch(1.03, 14.13, 291.35°)
OKLab	oklab(11.12% 0.0039 -0.0626)
OKLCH	oklch(11.12% 0.063 273.5)
XYZ	xyz(0.2337, 0.1137, 1.0463)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 9.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02011B #1A1B01

analogous

#010D1B #02011B #0F011B

triadic

#02011B #1B0201 #011B02

tetradic

#02011B #1B010D #1A1B01 #011B0F

square

#02011B #1B010D #1A1B01 #011B0F

split-complementary

#02011B #1B0F01 #0D1B01

monochromatic

#02011E #02011E #02011E #060356 #0B0591

Accessibility & contrast

On white

20.53

#02011B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#02011B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02011B

20.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02011B	#FFFFFF	#000000	##FFFFFF
##02011B	1.00	20.53	1.02	20.53
#FFFFFF	20.53	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051C

Deuteranopia (green-blind)

#00031A

Tritanopia (blue-blind)

#00060C

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #02011b;
/* rgb */ color: rgb(2, 1, 27);
/* oklch */ color: oklch(11.1% 0.063 273.5);

Tailwind

colors: {
  custom: {
    50: '#474757',
    500: '#02011b',
    950: '#000000',
  },
}

SCSS

$custom: #02011b;
$custom-light: #474757;
$custom-dark: #000000;

JSON

{
  "hex": "#02011b",
  "rgb": {
    "r": 2,
    "g": 1,
    "b": 27
  },
  "hsl": {
    "h": 242.308,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.1112,
    "c": 0.06272,
    "h": 273.5
  },
  "luminance": 0.00114
}

Semantic roles & 50–950 ramp

primary

#02011B

secondary

#606315

accent

#FF29F7

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000003

muted

#777778

Preview Lab

Preview with #02011B

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

Preview Lab → · Contrast checker → · Palette generator →