#010F1D#010F1D

#010F1D is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 16.3% C 0.038 H 245.5°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#010F1D
RGB	rgb(1, 15, 29)
HSL	hsl(210, 93%, 6%)
HSV	hsv(210, 97%, 11%)
CMYK	cmyk(96.6%, 48.3%, 0%, 88.6%)
CIE-LAB	lab(3.95, -0.42, -10.43)
CIE-LCH	lch(3.95, 10.44, 267.71°)
OKLab	oklab(16.29% -0.0158 -0.0345)
OKLCH	oklch(16.29% 0.038 245.5)
XYZ	xyz(0.4050, 0.4368, 1.2251)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F1D #1D0F01

analogous

#011D1D #010F1D #01011D

triadic

#010F1D #1D010F #0F1D01

tetradic

#010F1D #1D011D #1D0F01 #011D01

square

#010F1D #1D011D #1D0F01 #011D01

split-complementary

#010F1D #1D0101 #1D1D01

monochromatic

#010F1E #010F1E #010F1E #032E58 #054C93

Accessibility & contrast

On white

19.31

#010F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F1D

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F1D	#FFFFFF	#000000	##FFFFFF
##010F1D	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08101E

Deuteranopia (green-blind)

#050D1D

Tritanopia (blue-blind)

#001214

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010f1d;
/* rgb */ color: rgb(1, 15, 29);
/* oklch */ color: oklch(16.3% 0.038 245.5);

Tailwind

colors: {
  custom: {
    50: '#464e58',
    500: '#010f1d',
    950: '#000000',
  },
}

SCSS

$custom: #010f1d;
$custom-light: #464e58;
$custom-dark: #000000;

JSON

{
  "hex": "#010f1d",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 29
  },
  "hsl": {
    "h": 210,
    "s": 93.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.16287,
    "c": 0.03796,
    "h": 245.5
  },
  "luminance": 0.00437
}

Semantic roles & 50–950 ramp

primary

#010F1D

secondary

#653D15

accent

#9429FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010F1D

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

Preview Lab → · Contrast checker → · Palette generator →