#00051C#00051C

#00051C is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.7% C 0.055 H 260.9°. Best body text is #FFFFFF at 20.22:1 contrast (WCAG AA passes).

Color values

HEX	#00051C
RGB	rgb(0, 5, 28)
HSL	hsl(229, 100%, 5%)
HSV	hsv(229, 100%, 11%)
CMYK	cmyk(100%, 82.1%, 0%, 89%)
CIE-LAB	lab(1.74, 3.32, -12.94)
CIE-LCH	lch(1.74, 13.35, 284.39°)
OKLab	oklab(12.73% -0.0086 -0.054)
OKLCH	oklch(12.73% 0.055 260.9)
XYZ	xyz(0.2638, 0.1923, 1.1216)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00051C #1C1700

analogous

#00131C #00051C #09001C

triadic

#00051C #1C0005 #051C00

tetradic

#00051C #1C0013 #1C1700 #001C09

square

#00051C #1C0013 #1C1700 #001C09

split-complementary

#00051C #1C0900 #131C00

monochromatic

#00051F #00051F #00051F #001059 #001B96

Accessibility & contrast

On white

20.22

#00051C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#00051C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00051C

20.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00051C	#FFFFFF	#000000	##FFFFFF
##00051C	1.00	20.22	1.04	20.22
#FFFFFF	20.22	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00081D

Deuteranopia (green-blind)

#00051C

Tritanopia (blue-blind)

#000A0E

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #00051c;
/* rgb */ color: rgb(0, 5, 28);
/* oklch */ color: oklch(12.7% 0.055 260.9);

Tailwind

colors: {
  custom: {
    50: '#464958',
    500: '#00051c',
    950: '#000000',
  },
}

SCSS

$custom: #00051c;
$custom-light: #464958;
$custom-dark: #000000;

JSON

{
  "hex": "#00051c",
  "rgb": {
    "r": 0,
    "g": 5,
    "b": 28
  },
  "hsl": {
    "h": 229.286,
    "s": 100,
    "l": 5.49
  },
  "oklch": {
    "l": 0.12726,
    "c": 0.05474,
    "h": 260.9
  },
  "luminance": 0.00192
}

Semantic roles & 50–950 ramp

primary

#00051C

secondary

#665712

accent

#D929FF

background

#F3F4F5

surface

#E5E6E9

border

#C1C2C5

text

#000003

muted

#767778

Preview Lab

Preview with #00051C

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

Preview Lab → · Contrast checker → · Palette generator →