#01011C#01011C

#01011C is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.1% C 0.065 H 268.9°. Best body text is #FFFFFF at 20.54:1 contrast (WCAG AA passes).

Color values

HEX	#01011C
RGB	rgb(1, 1, 28)
HSL	hsl(240, 93%, 6%)
HSV	hsv(240, 96%, 11%)
CMYK	cmyk(96.4%, 96.4%, 0%, 89%)
CIE-LAB	lab(1.01, 5.18, -14.01)
CIE-LCH	lch(1.01, 14.93, 290.30°)
OKLab	oklab(11.06% -0.0013 -0.0653)
OKLCH	oklch(11.06% 0.065 268.9)
XYZ	xyz(0.2329, 0.1120, 1.1077)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 9.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01011C #1C1C01

analogous

#010E1C #01011C #0E011C

triadic

#01011C #1C0101 #011C01

tetradic

#01011C #1C010E #1C1C01 #011C0E

square

#01011C #1C010E #1C1C01 #011C0E

split-complementary

#01011C #1C0E01 #0E1C01

monochromatic

#01011E #01011E #01011E #030357 #050592

Accessibility & contrast

On white

20.54

#01011C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#01011C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01011C

20.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01011C	#FFFFFF	#000000	##FFFFFF
##01011C	1.00	20.54	1.02	20.54
#FFFFFF	20.54	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051D

Deuteranopia (green-blind)

#00031B

Tritanopia (blue-blind)

#00060C

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #01011c;
/* rgb */ color: rgb(1, 1, 28);
/* oklch */ color: oklch(11.1% 0.065 268.9);

Tailwind

colors: {
  custom: {
    50: '#464757',
    500: '#01011c',
    950: '#000000',
  },
}

SCSS

$custom: #01011c;
$custom-light: #464757;
$custom-dark: #000000;

JSON

{
  "hex": "#01011c",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 28
  },
  "hsl": {
    "h": 240,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.11062,
    "c": 0.06534,
    "h": 268.9
  },
  "luminance": 0.00112
}

Semantic roles & 50–950 ramp

primary

#01011C

secondary

#646415

accent

#FF29FF

background

#F3F3F5

surface

#E5E5E9

border

#C1C1C5

text

#000003

muted

#767778

Preview Lab

Preview with #01011C

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

Preview Lab → · Contrast checker → · Palette generator →