#05112F#05112F

#05112F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.063 H 263.7°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#05112F
RGB	rgb(5, 17, 47)
HSL	hsl(223, 81%, 10%)
HSV	hsv(223, 89%, 18%)
CMYK	cmyk(89.4%, 63.8%, 0%, 81.6%)
CIE-LAB	lab(5.77, 6.93, -21.30)
CIE-LCH	lch(5.77, 22.40, 288.02°)
OKLab	oklab(18.83% -0.0069 -0.0626)
OKLCH	oklch(18.83% 0.063 263.7)
XYZ	xyz(0.7759, 0.6383, 2.7711)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05112F #2F2305

analogous

#05262F #05112F #0E052F

triadic

#05112F #2F0511 #112F05

tetradic

#05112F #2F0526 #2F2305 #052F0E

square

#05112F #2F0526 #2F2305 #052F0E

split-complementary

#05112F #2F0E05 #262F05

monochromatic

#030A1C #030A1C #05112F #0B2566 #11399E

Accessibility & contrast

On white

18.62

#05112F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#05112F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05112F

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05112F	#FFFFFF	#000000	##FFFFFF
##05112F	1.00	18.62	1.13	18.62
#FFFFFF	18.62	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011530

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #05112f;
/* rgb */ color: rgb(5, 17, 47);
/* oklch */ color: oklch(18.8% 0.063 263.7);

Tailwind

colors: {
  custom: {
    50: '#4b4f68',
    500: '#05112f',
    950: '#000000',
  },
}

SCSS

$custom: #05112f;
$custom-light: #4b4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#05112f",
  "rgb": {
    "r": 5,
    "g": 17,
    "b": 47
  },
  "hsl": {
    "h": 222.857,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.18829,
    "c": 0.06294,
    "h": 263.7
  },
  "luminance": 0.00638
}

Semantic roles & 50–950 ramp

primary

#05112F

secondary

#71591F

accent

#BE31F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #05112F

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

Preview Lab → · Contrast checker → · Palette generator →