#010C1D#010C1D

#010C1D is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.3% C 0.042 H 252.9°. Best body text is #FFFFFF at 19.60:1 contrast (WCAG AA passes).

Color values

HEX	#010C1D
RGB	rgb(1, 12, 29)
HSL	hsl(216, 93%, 6%)
HSV	hsv(216, 97%, 11%)
CMYK	cmyk(96.6%, 58.6%, 0%, 88.6%)
CIE-LAB	lab(3.23, 1.04, -11.49)
CIE-LCH	lch(3.23, 11.54, 275.16°)
OKLab	oklab(15.33% -0.0124 -0.0403)
OKLCH	oklch(15.33% 0.042 252.9)
XYZ	xyz(0.3657, 0.3581, 1.2120)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C1D #1D1201

analogous

#011A1D #010C1D #04011D

triadic

#010C1D #1D010C #0C1D01

tetradic

#010C1D #1D011A #1D1201 #011D04

square

#010C1D #1D011A #1D1201 #011D04

split-complementary

#010C1D #1D0401 #1A1D01

monochromatic

#010C1E #010C1E #010C1E #032458 #053D93

Accessibility & contrast

On white

19.60

#010C1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010C1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C1D

19.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C1D	#FFFFFF	#000000	##FFFFFF
##010C1D	1.00	19.60	1.07	19.60
#FFFFFF	19.60	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050D1E

Deuteranopia (green-blind)

#020A1D

Tritanopia (blue-blind)

#001012

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010c1d;
/* rgb */ color: rgb(1, 12, 29);
/* oklch */ color: oklch(15.3% 0.042 252.9);

Tailwind

colors: {
  custom: {
    50: '#464c58',
    500: '#010c1d',
    950: '#000000',
  },
}

SCSS

$custom: #010c1d;
$custom-light: #464c58;
$custom-dark: #000000;

JSON

{
  "hex": "#010c1d",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 29
  },
  "hsl": {
    "h": 216.429,
    "s": 93.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.15334,
    "c": 0.04214,
    "h": 252.9
  },
  "luminance": 0.00358
}

Semantic roles & 50–950 ramp

primary

#010C1D

secondary

#654515

accent

#AB29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010C1D

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

Preview Lab → · Contrast checker → · Palette generator →