#01031C#01031C

#01031C is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.0% C 0.059 H 267.1°. Best body text is #FFFFFF at 20.37:1 contrast (WCAG AA passes).

Color values

HEX	#01031C
RGB	rgb(1, 3, 28)
HSL	hsl(236, 93%, 6%)
HSV	hsv(236, 96%, 11%)
CMYK	cmyk(96.4%, 89.3%, 0%, 89%)
CIE-LAB	lab(1.40, 4.38, -13.42)
CIE-LCH	lch(1.40, 14.12, 288.07°)
OKLab	oklab(12.05% -0.003 -0.0587)
OKLCH	oklch(12.05% 0.059 267.1)
XYZ	xyz(0.2546, 0.1554, 1.1150)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01031C #1C1A01

analogous

#01101C #01031C #0C011C

triadic

#01031C #1C0103 #031C01

tetradic

#01031C #1C0110 #1C1A01 #011C0C

square

#01031C #1C0110 #1C1A01 #011C0C

split-complementary

#01031C #1C0C01 #101C01

monochromatic

#01031E #01031E #01031E #030957 #051092

Accessibility & contrast

On white

20.37

#01031C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#01031C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01031C

20.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01031C	#FFFFFF	#000000	##FFFFFF
##01031C	1.00	20.37	1.03	20.37
#FFFFFF	20.37	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00061D

Deuteranopia (green-blind)

#00041C

Tritanopia (blue-blind)

#00080D

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #01031c;
/* rgb */ color: rgb(1, 3, 28);
/* oklch */ color: oklch(12.0% 0.059 267.1);

Tailwind

colors: {
  custom: {
    50: '#464857',
    500: '#01031c',
    950: '#000000',
  },
}

SCSS

$custom: #01031c;
$custom-light: #464857;
$custom-dark: #000000;

JSON

{
  "hex": "#01031c",
  "rgb": {
    "r": 1,
    "g": 3,
    "b": 28
  },
  "hsl": {
    "h": 235.556,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.12046,
    "c": 0.05882,
    "h": 267.1
  },
  "luminance": 0.00155
}

Semantic roles & 50–950 ramp

primary

#01031C

secondary

#645E15

accent

#EF29FF

background

#F3F4F5

surface

#E5E6E9

border

#C1C2C5

text

#000003

muted

#767778

Preview Lab

Preview with #01031C

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

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