#05142B#05142B

#05142B is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.3% C 0.051 H 257.8°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#05142B
RGB	rgb(5, 20, 43)
HSL	hsl(216, 79%, 9%)
HSV	hsv(216, 88%, 17%)
CMYK	cmyk(88.4%, 53.5%, 0%, 83.1%)
CIE-LAB	lab(6.39, 3.14, -17.34)
CIE-LCH	lch(6.39, 17.62, 280.27°)
OKLab	oklab(19.29% -0.0108 -0.0502)
OKLCH	oklch(19.29% 0.051 257.8)
XYZ	xyz(0.7486, 0.7069, 2.3820)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05142B #2B1C05

analogous

#05272B #05142B #09052B

triadic

#05142B #2B0514 #142B05

tetradic

#05142B #2B0527 #2B1C05 #052B09

square

#05142B #2B0527 #2B1C05 #052B09

split-complementary

#05142B #2B0905 #272B05

monochromatic

#030D1B #030D1B #05142B #0B2E62 #124799

Accessibility & contrast

On white

18.40

#05142B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#05142B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05142B

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05142B	#FFFFFF	#000000	##FFFFFF
##05142B	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09162C

Deuteranopia (green-blind)

#04122B

Tritanopia (blue-blind)

#00191D

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #05142b;
/* rgb */ color: rgb(5, 20, 43);
/* oklch */ color: oklch(19.3% 0.051 257.8);

Tailwind

colors: {
  custom: {
    50: '#4a5164',
    500: '#05142b',
    950: '#000000',
  },
}

SCSS

$custom: #05142b;
$custom-light: #4a5164;
$custom-dark: #000000;

JSON

{
  "hex": "#05142b",
  "rgb": {
    "r": 5,
    "g": 20,
    "b": 43
  },
  "hsl": {
    "h": 216.316,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.19293,
    "c": 0.05137,
    "h": 257.8
  },
  "luminance": 0.00707
}

Semantic roles & 50–950 ramp

primary

#05142B

secondary

#6D4E1F

accent

#A832F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #05142B

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

Preview Lab → · Contrast checker → · Palette generator →