#00071B#00071B

#00071B is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.4% C 0.048 H 257.5°. Best body text is #FFFFFF at 20.07:1 contrast (WCAG AA passes).

Color values

HEX	#00071B
RGB	rgb(0, 7, 27)
HSL	hsl(224, 100%, 5%)
HSV	hsv(224, 100%, 11%)
CMYK	cmyk(100%, 74.1%, 0%, 89.4%)
CIE-LAB	lab(2.09, 2.21, -11.61)
CIE-LCH	lch(2.09, 11.82, 280.79°)
OKLab	oklab(13.38% -0.0105 -0.0473)
OKLCH	oklch(13.38% 0.048 257.5)
XYZ	xyz(0.2737, 0.2311, 1.0669)
Luminance	0.0023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00071B #1B1400

analogous

#00141B #00071B #06001B

triadic

#00071B #1B0007 #071B00

tetradic

#00071B #1B0014 #1B1400 #001B06

square

#00071B #1B0014 #1B1400 #001B06

split-complementary

#00071B #1B0600 #141B00

monochromatic

#00081F #00081F #00081F #001758 #002795

Accessibility & contrast

On white

20.07

#00071B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#00071B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00071B

20.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00071B	#FFFFFF	#000000	##FFFFFF
##00071B	1.00	20.07	1.05	20.07
#FFFFFF	20.07	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091C

Deuteranopia (green-blind)

#00061B

Tritanopia (blue-blind)

#000C0F

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #00071b;
/* rgb */ color: rgb(0, 7, 27);
/* oklch */ color: oklch(13.4% 0.048 257.5);

Tailwind

colors: {
  custom: {
    50: '#464a57',
    500: '#00071b',
    950: '#000000',
  },
}

SCSS

$custom: #00071b;
$custom-light: #464a57;
$custom-dark: #000000;

JSON

{
  "hex": "#00071b",
  "rgb": {
    "r": 0,
    "g": 7,
    "b": 27
  },
  "hsl": {
    "h": 224.444,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.13379,
    "c": 0.04841,
    "h": 257.5
  },
  "luminance": 0.00231
}

Semantic roles & 50–950 ramp

primary

#00071B

secondary

#654F12

accent

#C729FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #00071B

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

Preview Lab → · Contrast checker → · Palette generator →