#01071B#01071B

#01071B is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.5% C 0.047 H 260.9°. Best body text is #FFFFFF at 20.05:1 contrast (WCAG AA passes).

Color values

HEX	#01071B
RGB	rgb(1, 7, 27)
HSL	hsl(226, 93%, 5%)
HSV	hsv(226, 96%, 11%)
CMYK	cmyk(96.3%, 74.1%, 0%, 89.4%)
CIE-LAB	lab(2.15, 2.48, -11.52)
CIE-LCH	lch(2.15, 11.78, 282.15°)
OKLab	oklab(13.53% -0.0075 -0.0465)
OKLCH	oklch(13.53% 0.047 260.9)
XYZ	xyz(0.2863, 0.2375, 1.0675)
Luminance	0.0024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01071B #1B1501

analogous

#01141B #01071B #08011B

triadic

#01071B #1B0107 #071B01

tetradic

#01071B #1B0114 #1B1501 #011B08

square

#01071B #1B0114 #1B1501 #011B08

split-complementary

#01071B #1B0801 #141B01

monochromatic

#01081E #01081E #01081E #031656 #052691

Accessibility & contrast

On white

20.05

#01071B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#01071B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01071B

20.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01071B	#FFFFFF	#000000	##FFFFFF
##01071B	1.00	20.05	1.05	20.05
#FFFFFF	20.05	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091C

Deuteranopia (green-blind)

#00071B

Tritanopia (blue-blind)

#000C0F

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #01071b;
/* rgb */ color: rgb(1, 7, 27);
/* oklch */ color: oklch(13.5% 0.047 260.9);

Tailwind

colors: {
  custom: {
    50: '#464a57',
    500: '#01071b',
    950: '#000000',
  },
}

SCSS

$custom: #01071b;
$custom-light: #464a57;
$custom-dark: #000000;

JSON

{
  "hex": "#01071b",
  "rgb": {
    "r": 1,
    "g": 7,
    "b": 27
  },
  "hsl": {
    "h": 226.154,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.13528,
    "c": 0.0471,
    "h": 260.9
  },
  "luminance": 0.00238
}

Semantic roles & 50–950 ramp

primary

#01071B

secondary

#635115

accent

#CE29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #01071B

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

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