#01011E#01011E

#01011E is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.4% C 0.068 H 268.5°. Best body text is #FFFFFF at 20.50:1 contrast (WCAG AA passes).

Color values

HEX	#01011E
RGB	rgb(1, 1, 30)
HSL	hsl(240, 94%, 6%)
HSV	hsv(240, 97%, 12%)
CMYK	cmyk(96.7%, 96.7%, 0%, 88.2%)
CIE-LAB	lab(1.10, 5.81, -15.49)
CIE-LCH	lch(1.10, 16.54, 290.55°)
OKLab	oklab(11.4% -0.0018 -0.0683)
OKLCH	oklch(11.4% 0.068 268.5)
XYZ	xyz(0.2576, 0.1219, 1.2380)
Luminance	0.0012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01011E #1E1E01

analogous

#010F1E #01011E #0F011E

triadic

#01011E #1E0101 #011E01

tetradic

#01011E #1E010F #1E1E01 #011E0F

square

#01011E #1E010F #1E1E01 #011E0F

split-complementary

#01011E #1E0F01 #0F1E01

monochromatic

#01011E #01011E #01011E #030359 #050594

Accessibility & contrast

On white

20.50

#01011E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#01011E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01011E

20.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01011E	#FFFFFF	#000000	##FFFFFF
##01011E	1.00	20.50	1.02	20.50
#FFFFFF	20.50	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051F

Deuteranopia (green-blind)

#00031D

Tritanopia (blue-blind)

#00070D

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #01011e;
/* rgb */ color: rgb(1, 1, 30);
/* oklch */ color: oklch(11.4% 0.068 268.5);

Tailwind

colors: {
  custom: {
    50: '#464759',
    500: '#01011e',
    950: '#000000',
  },
}

SCSS

$custom: #01011e;
$custom-light: #464759;
$custom-dark: #000000;

JSON

{
  "hex": "#01011e",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 30
  },
  "hsl": {
    "h": 240,
    "s": 93.548,
    "l": 6.078
  },
  "oklch": {
    "l": 0.11397,
    "c": 0.06836,
    "h": 268.5
  },
  "luminance": 0.00122
}

Semantic roles & 50–950 ramp

primary

#01011E

secondary

#666615

accent

#FF29FF

background

#F3F3F5

surface

#E5E5E9

border

#C1C1C5

text

#000003

muted

#767778

Preview Lab

Preview with #01011E

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

Preview Lab → · Contrast checker → · Palette generator →