#05082B#05082B

#05082B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.2% C 0.070 H 271.0°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#05082B
RGB	rgb(5, 8, 43)
HSL	hsl(235, 79%, 9%)
HSV	hsv(235, 88%, 17%)
CMYK	cmyk(88.4%, 81.4%, 0%, 83.1%)
CIE-LAB	lab(3.44, 9.17, -22.00)
CIE-LCH	lch(3.44, 23.83, 292.63°)
OKLab	oklab(16.16% 0.0012 -0.0702)
OKLCH	oklch(16.16% 0.07 271)
XYZ	xyz(0.5853, 0.3803, 2.3276)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05082B #2B2805

analogous

#051B2B #05082B #15052B

triadic

#05082B #2B0508 #082B05

tetradic

#05082B #2B051B #2B2805 #052B15

square

#05082B #2B051B #2B2805 #052B15

split-complementary

#05082B #2B1505 #1B2B05

monochromatic

#03051B #03051B #05082B #0B1262 #121C99

Accessibility & contrast

On white

19.52

#05082B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#05082B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05082B

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05082B	#FFFFFF	#000000	##FFFFFF
##05082B	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000B2A

Tritanopia (blue-blind)

#001118

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #05082b;
/* rgb */ color: rgb(5, 8, 43);
/* oklch */ color: oklch(16.2% 0.070 271.0);

Tailwind

colors: {
  custom: {
    50: '#4a4a64',
    500: '#05082b',
    950: '#000000',
  },
}

SCSS

$custom: #05082b;
$custom-light: #4a4a64;
$custom-dark: #000000;

JSON

{
  "hex": "#05082b",
  "rgb": {
    "r": 5,
    "g": 8,
    "b": 43
  },
  "hsl": {
    "h": 235.263,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.16158,
    "c": 0.07025,
    "h": 271
  },
  "luminance": 0.0038
}

Semantic roles & 50–950 ramp

primary

#05082B

secondary

#6D671F

accent

#E632F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #05082B

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

Preview Lab → · Contrast checker → · Palette generator →