#00191F#00191F

#00191F is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 19.6% C 0.035 H 215.2°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#00191F
RGB	rgb(0, 25, 31)
HSL	hsl(192, 100%, 6%)
HSV	hsv(192, 100%, 12%)
CMYK	cmyk(100%, 19.4%, 0%, 87.8%)
CIE-LAB	lab(7.17, -6.55, -7.10)
CIE-LCH	lch(7.17, 9.66, 227.30°)
OKLab	oklab(19.65% -0.0284 -0.02)
OKLCH	oklch(19.65% 0.035 215.2)
XYZ	xyz(0.5948, 0.7941, 1.4180)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00191F #1F0600

analogous

#001F15 #00191F #00091F

triadic

#00191F #1F0019 #191F00

tetradic

#00191F #15001F #1F0600 #091F00

square

#00191F #15001F #1F0600 #091F00

split-complementary

#00191F #1F0009 #1F1500

monochromatic

#00191F #00191F #00191F #004A5C #007C99

Accessibility & contrast

On white

18.12

#00191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#00191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00191F

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00191F	#FFFFFF	#000000	##FFFFFF
##00191F	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15181F

Deuteranopia (green-blind)

#10141F

Tritanopia (blue-blind)

#001B1B

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #00191f;
/* rgb */ color: rgb(0, 25, 31);
/* oklch */ color: oklch(19.6% 0.035 215.2);

Tailwind

colors: {
  custom: {
    50: '#46555a',
    500: '#00191f',
    950: '#000000',
  },
}

SCSS

$custom: #00191f;
$custom-light: #46555a;
$custom-dark: #000000;

JSON

{
  "hex": "#00191f",
  "rgb": {
    "r": 0,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 191.613,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.19646,
    "c": 0.03474,
    "h": 215.2
  },
  "luminance": 0.00794
}

Semantic roles & 50–950 ramp

primary

#00191F

secondary

#682312

accent

#5229FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000303

muted

#767878

Preview Lab

Preview with #00191F

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

Preview Lab → · Contrast checker → · Palette generator →