#10191C#10191C

#10191C is a very dark, near-neutral cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.014 H 220.4°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#10191C
RGB	rgb(16, 25, 28)
HSL	hsl(195, 27%, 9%)
HSV	hsv(195, 43%, 11%)
CMYK	cmyk(42.9%, 10.7%, 0%, 89%)
CIE-LAB	lab(8.03, -3.04, -3.43)
CIE-LCH	lch(8.03, 4.59, 228.46°)
OKLab	oklab(20.6% -0.011 -0.0094)
OKLCH	oklch(20.6% 0.014 220.4)
XYZ	xyz(0.7709, 0.8892, 1.2294)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10191C #1C1310

analogous

#101C19 #10191C #10131C

triadic

#10191C #1C1019 #191C10

tetradic

#10191C #19101C #1C1310 #131C10

square

#10191C #19101C #1C1310 #131C10

split-complementary

#10191C #1C1013 #1C1910

monochromatic

#0B1113 #0B1113 #10191C #263C43 #3D5F6A

Accessibility & contrast

On white

17.83

#10191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#10191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10191C

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10191C	#FFFFFF	#000000	##FFFFFF
##10191C	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17181C

Deuteranopia (green-blind)

#15171C

Tritanopia (blue-blind)

#0C1A1A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #10191c;
/* rgb */ color: rgb(16, 25, 28);
/* oklch */ color: oklch(20.6% 0.014 220.4);

Tailwind

colors: {
  custom: {
    50: '#4e5558',
    500: '#10191c',
    950: '#000000',
  },
}

SCSS

$custom: #10191c;
$custom-light: #4e5558;
$custom-dark: #000000;

JSON

{
  "hex": "#10191c",
  "rgb": {
    "r": 16,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 195,
    "s": 27.273,
    "l": 8.627
  },
  "oklch": {
    "l": 0.20595,
    "c": 0.01448,
    "h": 220.4
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#10191C

secondary

#513D37

accent

#7C64C4

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010303

muted

#777878

Preview Lab

Preview with #10191C

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

Preview Lab → · Contrast checker → · Palette generator →