#05122C#05122C

#05122C is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.8% C 0.056 H 261.4°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#05122C
RGB	rgb(5, 18, 44)
HSL	hsl(220, 80%, 10%)
HSV	hsv(220, 89%, 17%)
CMYK	cmyk(88.6%, 59.1%, 0%, 82.7%)
CIE-LAB	lab(5.84, 4.87, -18.95)
CIE-LCH	lch(5.84, 19.56, 284.41°)
OKLab	oklab(18.82% -0.0084 -0.0555)
OKLCH	oklch(18.82% 0.056 261.4)
XYZ	xyz(0.7334, 0.6466, 2.4685)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05122C #2C1F05

analogous

#05262C #05122C #0C052C

triadic

#05122C #2C0512 #122C05

tetradic

#05122C #2C0526 #2C1F05 #052C0C

square

#05122C #2C0526 #2C1F05 #052C0C

split-complementary

#05122C #2C0C05 #262C05

monochromatic

#030B1B #030B1B #05122C #0B2863 #113F9A

Accessibility & contrast

On white

18.59

#05122C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#05122C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05122C

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05122C	#FFFFFF	#000000	##FFFFFF
##05122C	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05152D

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#00181C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #05122c;
/* rgb */ color: rgb(5, 18, 44);
/* oklch */ color: oklch(18.8% 0.056 261.4);

Tailwind

colors: {
  custom: {
    50: '#4a4f65',
    500: '#05122c',
    950: '#000000',
  },
}

SCSS

$custom: #05122c;
$custom-light: #4a4f65;
$custom-dark: #000000;

JSON

{
  "hex": "#05122c",
  "rgb": {
    "r": 5,
    "g": 18,
    "b": 44
  },
  "hsl": {
    "h": 220,
    "s": 79.592,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18817,
    "c": 0.05616,
    "h": 261.4
  },
  "luminance": 0.00647
}

Semantic roles & 50–950 ramp

primary

#05122C

secondary

#6E531F

accent

#B532F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #05122C

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

Preview Lab → · Contrast checker → · Palette generator →