#01030F#01030F

#01030F is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.4% C 0.035 H 265.4°. Best body text is #FFFFFF at 20.56:1 contrast (WCAG AA passes).

Color values

HEX	#01030F
RGB	rgb(1, 3, 15)
HSL	hsl(231, 88%, 3%)
HSV	hsv(231, 93%, 6%)
CMYK	cmyk(93.3%, 80%, 0%, 94.1%)
CIE-LAB	lab(0.96, 1.25, -5.00)
CIE-LCH	lch(0.96, 5.16, 284.00°)
OKLab	oklab(10.37% -0.0028 -0.0347)
OKLCH	oklch(10.37% 0.035 265.4)
XYZ	xyz(0.1313, 0.1061, 0.4654)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01030F #0F0D01

analogous

#010A0F #01030F #06010F

triadic

#01030F #0F0103 #030F01

tetradic

#01030F #0F010A #0F0D01 #010F06

square

#01030F #0F010A #0F0D01 #010F06

split-complementary

#01030F #0F0601 #0A0F01

monochromatic

#02061D #02061D #02061D #050E48 #091A82

Accessibility & contrast

On white

20.56

#01030F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#01030F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01030F

20.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01030F	#FFFFFF	#000000	##FFFFFF
##01030F	1.00	20.56	1.02	20.56
#FFFFFF	20.56	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000410

Deuteranopia (green-blind)

#00030F

Tritanopia (blue-blind)

#000507

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #01030f;
/* rgb */ color: rgb(1, 3, 15);
/* oklch */ color: oklch(10.4% 0.035 265.4);

Tailwind

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

SCSS

$custom: #01030f;
$custom-light: #47484e;
$custom-dark: #000000;

JSON

{
  "hex": "#01030f",
  "rgb": {
    "r": 1,
    "g": 3,
    "b": 15
  },
  "hsl": {
    "h": 231.429,
    "s": 87.5,
    "l": 3.137
  },
  "oklch": {
    "l": 0.10367,
    "c": 0.03484,
    "h": 265.4
  },
  "luminance": 0.00106
}

Semantic roles & 50–950 ramp

primary

#01030F

secondary

#574D15

accent

#DF2AFE

background

#F3F4F4

surface

#E5E6E7

border

#C1C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #01030F

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

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