#05112B#05112B

#05112B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.4% C 0.056 H 262.3°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#05112B
RGB	rgb(5, 17, 43)
HSL	hsl(221, 79%, 9%)
HSV	hsv(221, 88%, 17%)
CMYK	cmyk(88.4%, 60.5%, 0%, 83.1%)
CIE-LAB	lab(5.49, 4.98, -18.76)
CIE-LCH	lch(5.49, 19.41, 284.86°)
OKLab	oklab(18.45% -0.0075 -0.0555)
OKLCH	oklch(18.45% 0.056 262.3)
XYZ	xyz(0.6989, 0.6075, 2.3655)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05112B #2B1F05

analogous

#05242B #05112B #0C052B

triadic

#05112B #2B0511 #112B05

tetradic

#05112B #2B0524 #2B1F05 #052B0C

square

#05112B #2B0524 #2B1F05 #052B0C

split-complementary

#05112B #2B0C05 #242B05

monochromatic

#030B1B #030B1B #05112B #0B2762 #123C99

Accessibility & contrast

On white

18.72

#05112B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#05112B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05112B

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05112B	#FFFFFF	#000000	##FFFFFF
##05112B	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04142C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #05112b;
/* rgb */ color: rgb(5, 17, 43);
/* oklch */ color: oklch(18.4% 0.056 262.3);

Tailwind

colors: {
  custom: {
    50: '#4a4f64',
    500: '#05112b',
    950: '#000000',
  },
}

SCSS

$custom: #05112b;
$custom-light: #4a4f64;
$custom-dark: #000000;

JSON

{
  "hex": "#05112b",
  "rgb": {
    "r": 5,
    "g": 17,
    "b": 43
  },
  "hsl": {
    "h": 221.053,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.18449,
    "c": 0.05596,
    "h": 262.3
  },
  "luminance": 0.00608
}

Semantic roles & 50–950 ramp

primary

#05112B

secondary

#6D541F

accent

#B832F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #05112B

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

Preview Lab → · Contrast checker → · Palette generator →