#01030D#01030D

#01030D is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.1% C 0.031 H 264.2°. Best body text is #FFFFFF at 20.58:1 contrast (WCAG AA passes).

Color values

HEX	#01030D
RGB	rgb(1, 3, 13)
HSL	hsl(230, 86%, 3%)
HSV	hsv(230, 92%, 5%)
CMYK	cmyk(92.3%, 76.9%, 0%, 94.9%)
CIE-LAB	lab(0.91, 0.90, -4.07)
CIE-LCH	lch(0.91, 4.17, 282.54°)
OKLab	oklab(10.15% -0.0031 -0.0306)
OKLCH	oklch(10.15% 0.031 264.2)
XYZ	xyz(0.1177, 0.1006, 0.3939)
Luminance	0.0010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01030D #0D0B01

analogous

#01090D #01030D #05010D

triadic

#01030D #0D0103 #030D01

tetradic

#01030D #0D0109 #0D0B01 #010D05

square

#01030D #0D0109 #0D0B01 #010D05

split-complementary

#01030D #0D0501 #090D01

monochromatic

#02071C #02071C #02071C #051046 #0A1D7F

Accessibility & contrast

On white

20.58

#01030D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#01030D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01030D

20.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01030D	#FFFFFF	#000000	##FFFFFF
##01030D	1.00	20.58	1.02	20.58
#FFFFFF	20.58	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01040D

Deuteranopia (green-blind)

#00030D

Tritanopia (blue-blind)

#000506

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #01030d;
/* rgb */ color: rgb(1, 3, 13);
/* oklch */ color: oklch(10.1% 0.031 264.2);

Tailwind

colors: {
  custom: {
    50: '#47484d',
    500: '#01030d',
    950: '#000000',
  },
}

SCSS

$custom: #01030d;
$custom-light: #47484d;
$custom-dark: #000000;

JSON

{
  "hex": "#01030d",
  "rgb": {
    "r": 1,
    "g": 3,
    "b": 13
  },
  "hsl": {
    "h": 230,
    "s": 85.714,
    "l": 2.745
  },
  "oklch": {
    "l": 0.10146,
    "c": 0.03077,
    "h": 264.2
  },
  "luminance": 0.00101
}

Semantic roles & 50–950 ramp

primary

#01030D

secondary

#554A15

accent

#D92CFC

background

#F3F4F4

surface

#E5E6E7

border

#C1C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #01030D

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

Preview Lab → · Contrast checker → · Palette generator →