#00101E#00101E

#00101E is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 16.6% C 0.040 H 242.3°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#00101E
RGB	rgb(0, 16, 30)
HSL	hsl(208, 100%, 6%)
HSV	hsv(208, 100%, 12%)
CMYK	cmyk(100%, 46.7%, 0%, 88.2%)
CIE-LAB	lab(4.19, -0.89, -10.84)
CIE-LCH	lch(4.19, 10.88, 265.29°)
OKLab	oklab(16.59% -0.0184 -0.035)
OKLCH	oklch(16.59% 0.04 242.3)
XYZ	xyz(0.4195, 0.4643, 1.2955)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00101E #1E0E00

analogous

#001E1D #00101E #00011E

triadic

#00101E #1E0010 #101E00

tetradic

#00101E #1D001E #1E0E00 #011E00

square

#00101E #1D001E #1E0E00 #011E00

split-complementary

#00101E #1E0001 #1E1D00

monochromatic

#00101F #00101F #00101F #00315B #005198

Accessibility & contrast

On white

19.22

#00101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#00101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00101E

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00101E	#FFFFFF	#000000	##FFFFFF
##00101E	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09101F

Deuteranopia (green-blind)

#050D1E

Tritanopia (blue-blind)

#001315

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #00101e;
/* rgb */ color: rgb(0, 16, 30);
/* oklch */ color: oklch(16.6% 0.040 242.3);

Tailwind

colors: {
  custom: {
    50: '#464e59',
    500: '#00101e',
    950: '#000000',
  },
}

SCSS

$custom: #00101e;
$custom-light: #464e59;
$custom-dark: #000000;

JSON

{
  "hex": "#00101e",
  "rgb": {
    "r": 0,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 208,
    "s": 100,
    "l": 5.882
  },
  "oklch": {
    "l": 0.16592,
    "c": 0.03958,
    "h": 242.3
  },
  "luminance": 0.00464
}

Semantic roles & 50–950 ramp

primary

#00101E

secondary

#683A12

accent

#8D29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #00101E

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

Preview Lab → · Contrast checker → · Palette generator →