#02172B#02172B

#02172B is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.0% C 0.049 H 248.4°. Best body text is #FFFFFF at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#02172B
RGB	rgb(2, 23, 43)
HSL	hsl(209, 91%, 9%)
HSV	hsv(209, 95%, 17%)
CMYK	cmyk(95.3%, 46.5%, 0%, 83.1%)
CIE-LAB	lab(7.23, 0.28, -16.02)
CIE-LCH	lch(7.23, 16.03, 271.01°)
OKLab	oklab(19.97% -0.0181 -0.0459)
OKLCH	oklch(19.97% 0.049 248.4)
XYZ	xyz(0.7673, 0.8000, 2.3990)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02172B #2B1602

analogous

#022B2B #02172B #02032B

triadic

#02172B #2B0217 #172B02

tetradic

#02172B #2B022B #2B1602 #032B02

square

#02172B #2B022B #2B1602 #032B02

split-complementary

#02172B #2B0203 #2B2B02

monochromatic

#01101D #01101D #02172B #053665 #0756A0

Accessibility & contrast

On white

18.10

#02172B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#02172B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02172B

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02172B	#FFFFFF	#000000	##FFFFFF
##02172B	1.00	18.10	1.16	18.10
#FFFFFF	18.10	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D182C

Deuteranopia (green-blind)

#07142B

Tritanopia (blue-blind)

#001C1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #02172b;
/* rgb */ color: rgb(2, 23, 43);
/* oklch */ color: oklch(20.0% 0.049 248.4);

Tailwind

colors: {
  custom: {
    50: '#495364',
    500: '#02172b',
    950: '#000000',
  },
}

SCSS

$custom: #02172b;
$custom-light: #495364;
$custom-dark: #000000;

JSON

{
  "hex": "#02172b",
  "rgb": {
    "r": 2,
    "g": 23,
    "b": 43
  },
  "hsl": {
    "h": 209.268,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.19968,
    "c": 0.04932,
    "h": 248.4
  },
  "luminance": 0.008
}

Semantic roles & 50–950 ramp

primary

#02172B

secondary

#704319

accent

#9129FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #02172B

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

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