#03191F#03191F

#03191F is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 19.9% C 0.031 H 217.9°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#03191F
RGB	rgb(3, 25, 31)
HSL	hsl(193, 82%, 7%)
HSV	hsv(193, 90%, 12%)
CMYK	cmyk(90.3%, 19.4%, 0%, 87.8%)
CIE-LAB	lab(7.35, -5.77, -6.82)
CIE-LCH	lch(7.35, 8.93, 229.77°)
OKLab	oklab(19.85% -0.0246 -0.0191)
OKLCH	oklch(19.85% 0.031 217.9)
XYZ	xyz(0.6324, 0.8135, 1.4197)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03191F #1F0903

analogous

#031F17 #03191F #030B1F

triadic

#03191F #1F0319 #191F03

tetradic

#03191F #17031F #1F0903 #0B1F03

square

#03191F #17031F #1F0903 #0B1F03

split-complementary

#03191F #1F030B #1F1703

monochromatic

#03171C #03171C #03191F #084657 #0E738F

Accessibility & contrast

On white

18.06

#03191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#03191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03191F

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03191F	#FFFFFF	#000000	##FFFFFF
##03191F	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)

#15181F

Deuteranopia (green-blind)

#11151F

Tritanopia (blue-blind)

#001B1B

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #03191f;
/* rgb */ color: rgb(3, 25, 31);
/* oklch */ color: oklch(19.9% 0.031 217.9);

Tailwind

colors: {
  custom: {
    50: '#47555a',
    500: '#03191f',
    950: '#000000',
  },
}

SCSS

$custom: #03191f;
$custom-light: #47555a;
$custom-dark: #000000;

JSON

{
  "hex": "#03191f",
  "rgb": {
    "r": 3,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 192.857,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.1985,
    "c": 0.03115,
    "h": 217.9
  },
  "luminance": 0.00814
}

Semantic roles & 50–950 ramp

primary

#03191F

secondary

#632A1B

accent

#5A2FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000303

muted

#777878

Preview Lab

Preview with #03191F

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

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