#021B3B#021B3B

#021B3B is a very dark, moderate cyan. Relative luminance 0.011; OKLCH L 22.5% C 0.070 H 255.4°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#021B3B
RGB	rgb(2, 27, 59)
HSL	hsl(214, 93%, 12%)
HSV	hsv(214, 97%, 23%)
CMYK	cmyk(96.6%, 54.2%, 0%, 76.9%)
CIE-LAB	lab(9.89, 5.01, -23.40)
CIE-LCH	lch(9.89, 23.93, 282.08°)
OKLab	oklab(22.46% -0.0176 -0.0673)
OKLCH	oklch(22.46% 0.07 255.4)
XYZ	xyz(1.2061, 1.1124, 4.2880)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021B3B #3B2202

analogous

#02383B #021B3B #05023B

triadic

#021B3B #3B021B #1B3B02

tetradic

#021B3B #3B0238 #3B2202 #023B05

square

#021B3B #3B0238 #3B2202 #023B05

split-complementary

#021B3B #3B0502 #383B02

monochromatic

#010E1E #010E1E #021B3B #043676 #0651B1

Accessibility & contrast

On white

17.18

#021B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#021B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021B3B

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021B3B	#FFFFFF	#000000	##FFFFFF
##021B3B	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091E3C

Deuteranopia (green-blind)

#00193A

Tritanopia (blue-blind)

#002328

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #021b3b;
/* rgb */ color: rgb(2, 27, 59);
/* oklch */ color: oklch(22.5% 0.070 255.4);

Tailwind

colors: {
  custom: {
    50: '#4e5671',
    500: '#021b3b',
    950: '#000000',
  },
}

SCSS

$custom: #021b3b;
$custom-light: #4e5671;
$custom-dark: #000000;

JSON

{
  "hex": "#021b3b",
  "rgb": {
    "r": 2,
    "g": 27,
    "b": 59
  },
  "hsl": {
    "h": 213.684,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.2246,
    "c": 0.06957,
    "h": 255.4
  },
  "luminance": 0.01113
}

Semantic roles & 50–950 ramp

primary

#021B3B

secondary

#7E531A

accent

#A129FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #021B3B

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

Preview Lab → · Contrast checker → · Palette generator →