#05001F#05001F

#05001F is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.9% C 0.070 H 282.6°. Best body text is #FFFFFF at 20.46:1 contrast (WCAG AA passes).

Color values

HEX	#05001F
RGB	rgb(5, 0, 31)
HSL	hsl(250, 100%, 6%)
HSV	hsv(250, 100%, 12%)
CMYK	cmyk(83.9%, 100%, 0%, 87.8%)
CIE-LAB	lab(1.19, 7.58, -16.14)
CIE-LCH	lch(1.19, 17.83, 295.16°)
OKLab	oklab(11.87% 0.0154 -0.0688)
OKLCH	oklch(11.87% 0.07 282.6)
XYZ	xyz(0.3098, 0.1312, 1.3050)
Luminance	0.0013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05001F #1A1F00

analogous

#000A1F #05001F #14001F

triadic

#05001F #1F0500 #001F05

tetradic

#05001F #1F000A #1A1F00 #001F14

square

#05001F #1F000A #1A1F00 #001F14

split-complementary

#05001F #1F1400 #0A1F00

monochromatic

#05001F #05001F #05001F #0F005C #190099

Accessibility & contrast

On white

20.46

#05001F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#05001F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05001F

20.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05001F	#FFFFFF	#000000	##FFFFFF
##05001F	1.00	20.46	1.03	20.46
#FFFFFF	20.46	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000520

Deuteranopia (green-blind)

#00041E

Tritanopia (blue-blind)

#00060D

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #05001f;
/* rgb */ color: rgb(5, 0, 31);
/* oklch */ color: oklch(11.9% 0.070 282.6);

Tailwind

colors: {
  custom: {
    50: '#48475a',
    500: '#05001f',
    950: '#000000',
  },
}

SCSS

$custom: #05001f;
$custom-light: #48475a;
$custom-dark: #000000;

JSON

{
  "hex": "#05001f",
  "rgb": {
    "r": 5,
    "g": 0,
    "b": 31
  },
  "hsl": {
    "h": 249.677,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.11872,
    "c": 0.07049,
    "h": 282.6
  },
  "luminance": 0.00131
}

Semantic roles & 50–950 ramp

primary

#05001F

secondary

#5B6812

accent

#FF29DC

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000004

muted

#777779

Preview Lab

Preview with #05001F

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

Preview Lab → · Contrast checker → · Palette generator →