#03172C#03172C

#03172C is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.1% C 0.050 H 250.8°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#03172C
RGB	rgb(3, 23, 44)
HSL	hsl(211, 87%, 9%)
HSV	hsv(211, 93%, 17%)
CMYK	cmyk(93.2%, 47.7%, 0%, 82.7%)
CIE-LAB	lab(7.35, 1.02, -16.56)
CIE-LCH	lch(7.35, 16.59, 273.51°)
OKLab	oklab(20.11% -0.0165 -0.0474)
OKLCH	oklch(20.11% 0.05 250.8)
XYZ	xyz(0.7984, 0.8139, 2.4974)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03172C #2C1803

analogous

#032C2C #03172C #04032C

triadic

#03172C #2C0317 #172C03

tetradic

#03172C #2C032C #2C1803 #032C04

square

#03172C #2C032C #2C1803 #032C04

split-complementary

#03172C #2C0403 #2C2C03

monochromatic

#020F1D #020F1D #03172C #073565 #0B539F

Accessibility & contrast

On white

18.06

#03172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#03172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03172C

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03172C	#FFFFFF	#000000	##FFFFFF
##03172C	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D182D

Deuteranopia (green-blind)

#06142C

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #03172c;
/* rgb */ color: rgb(3, 23, 44);
/* oklch */ color: oklch(20.1% 0.050 250.8);

Tailwind

colors: {
  custom: {
    50: '#495365',
    500: '#03172c',
    950: '#000000',
  },
}

SCSS

$custom: #03172c;
$custom-light: #495365;
$custom-dark: #000000;

JSON

{
  "hex": "#03172c",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 210.732,
    "s": 87.234,
    "l": 9.216
  },
  "oklch": {
    "l": 0.20114,
    "c": 0.05019,
    "h": 250.8
  },
  "luminance": 0.00814
}

Semantic roles & 50–950 ramp

primary

#03172C

secondary

#70461B

accent

#962AFD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #03172C

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

Preview Lab → · Contrast checker → · Palette generator →