#05002B#05002B

#05002B is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.8% C 0.086 H 275.7°. Best body text is #FFFFFF at 20.17:1 contrast (WCAG AA passes).

Color values

HEX	#05002B
RGB	rgb(5, 0, 43)
HSL	hsl(247, 100%, 8%)
HSV	hsv(247, 100%, 17%)
CMYK	cmyk(88.4%, 100%, 0%, 83.1%)
CIE-LAB	lab(1.87, 12.38, -24.47)
CIE-LCH	lch(1.87, 27.42, 296.83°)
OKLab	oklab(13.83% 0.0087 -0.086)
OKLCH	oklch(13.83% 0.086 275.7)
XYZ	xyz(0.4985, 0.2066, 2.2986)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05002B #262B00

analogous

#00102B #05002B #1A002B

triadic

#05002B #2B0500 #002B05

tetradic

#05002B #2B0010 #262B00 #002B1A

square

#05002B #2B0010 #262B00 #002B1A

split-complementary

#05002B #2B1A00 #102B00

monochromatic

#04001F #04001F #05002B #0C0068 #1300A5

Accessibility & contrast

On white

20.17

#05002B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#05002B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05002B

20.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05002B	#FFFFFF	#000000	##FFFFFF
##05002B	1.00	20.17	1.04	20.17
#FFFFFF	20.17	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00082C

Deuteranopia (green-blind)

#00052A

Tritanopia (blue-blind)

#000B15

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #05002b;
/* rgb */ color: rgb(5, 0, 43);
/* oklch */ color: oklch(13.8% 0.086 275.7);

Tailwind

colors: {
  custom: {
    50: '#494664',
    500: '#05002b',
    950: '#000000',
  },
}

SCSS

$custom: #05002b;
$custom-light: #494664;
$custom-dark: #000000;

JSON

{
  "hex": "#05002b",
  "rgb": {
    "r": 5,
    "g": 0,
    "b": 43
  },
  "hsl": {
    "h": 246.977,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.13829,
    "c": 0.0864,
    "h": 275.7
  },
  "luminance": 0.00207
}

Semantic roles & 50–950 ramp

primary

#05002B

secondary

#687314

accent

#FF29E6

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010005

muted

#77777A

Preview Lab

Preview with #05002B

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

Preview Lab → · Contrast checker → · Palette generator →