#021C3B#021C3B

#021C3B is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 22.7% C 0.068 H 254.3°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#021C3B
RGB	rgb(2, 28, 59)
HSL	hsl(213, 93%, 12%)
HSV	hsv(213, 97%, 23%)
CMYK	cmyk(96.6%, 52.5%, 0%, 76.9%)
CIE-LAB	lab(10.25, 4.22, -22.82)
CIE-LCH	lch(10.25, 23.21, 280.47°)
OKLab	oklab(22.74% -0.0184 -0.0656)
OKLCH	oklch(22.74% 0.068 254.3)
XYZ	xyz(1.2294, 1.1590, 4.2957)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021C3B #3B2102

analogous

#02393B #021C3B #05023B

triadic

#021C3B #3B021C #1C3B02

tetradic

#021C3B #3B0239 #3B2102 #023B05

square

#021C3B #3B0239 #3B2102 #023B05

split-complementary

#021C3B #3B0502 #393B02

monochromatic

#010E1E #010E1E #021C3B #043876 #0654B1

Accessibility & contrast

On white

17.05

#021C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#021C3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021C3B

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021C3B	#FFFFFF	#000000	##FFFFFF
##021C3B	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1F3C

Deuteranopia (green-blind)

#011A3A

Tritanopia (blue-blind)

#002328

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #021c3b;
/* rgb */ color: rgb(2, 28, 59);
/* oklch */ color: oklch(22.7% 0.068 254.3);

Tailwind

colors: {
  custom: {
    50: '#4e5771',
    500: '#021c3b',
    950: '#000000',
  },
}

SCSS

$custom: #021c3b;
$custom-light: #4e5771;
$custom-dark: #000000;

JSON

{
  "hex": "#021c3b",
  "rgb": {
    "r": 2,
    "g": 28,
    "b": 59
  },
  "hsl": {
    "h": 212.632,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22736,
    "c": 0.06814,
    "h": 254.3
  },
  "luminance": 0.01159
}

Semantic roles & 50–950 ramp

primary

#021C3B

secondary

#7E511A

accent

#9D29FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #021C3B

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

Preview Lab → · Contrast checker → · Palette generator →