#10191E#10191E

#10191E is a very dark, near-neutral cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.017 H 232.9°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#10191E
RGB	rgb(16, 25, 30)
HSL	hsl(201, 30%, 9%)
HSV	hsv(201, 47%, 12%)
CMYK	cmyk(46.7%, 16.7%, 0%, 88.2%)
CIE-LAB	lab(8.12, -2.41, -4.81)
CIE-LCH	lch(8.12, 5.38, 243.37°)
OKLab	oklab(20.7% -0.01 -0.0132)
OKLCH	oklch(20.7% 0.017 232.9)
XYZ	xyz(0.7956, 0.8991, 1.3597)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10191E #1E1510

analogous

#101E1C #10191E #10121E

triadic

#10191E #1E1019 #191E10

tetradic

#10191E #1C101E #1E1510 #121E10

square

#10191E #1C101E #1E1510 #121E10

split-complementary

#10191E #1E1012 #1E1C10

monochromatic

#0B1114 #0B1114 #10191E #253A46 #3B5C6E

Accessibility & contrast

On white

17.80

#10191E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#10191E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10191E

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10191E	#FFFFFF	#000000	##FFFFFF
##10191E	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17191E

Deuteranopia (green-blind)

#15171E

Tritanopia (blue-blind)

#0B1A1B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #10191e;
/* rgb */ color: rgb(16, 25, 30);
/* oklch */ color: oklch(20.7% 0.017 232.9);

Tailwind

colors: {
  custom: {
    50: '#4e5559',
    500: '#10191e',
    950: '#000000',
  },
}

SCSS

$custom: #10191e;
$custom-light: #4e5559;
$custom-dark: #000000;

JSON

{
  "hex": "#10191e",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 30
  },
  "hsl": {
    "h": 201.429,
    "s": 30.435,
    "l": 9.02
  },
  "oklch": {
    "l": 0.20695,
    "c": 0.01655,
    "h": 232.9
  },
  "luminance": 0.00899
}

Semantic roles & 50–950 ramp

primary

#10191E

secondary

#544136

accent

#8561C7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010303

muted

#777878

Preview Lab

Preview with #10191E

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

Preview Lab → · Contrast checker → · Palette generator →