#05102F#05102F

#05102F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.065 H 264.8°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#05102F
RGB	rgb(5, 16, 47)
HSL	hsl(224, 81%, 10%)
HSV	hsv(224, 89%, 18%)
CMYK	cmyk(89.4%, 66%, 0%, 81.6%)
CIE-LAB	lab(5.49, 7.49, -21.74)
CIE-LCH	lch(5.49, 22.99, 289.02°)
OKLab	oklab(18.57% -0.0059 -0.0642)
OKLCH	oklch(18.57% 0.065 264.8)
XYZ	xyz(0.7608, 0.6080, 2.7660)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05102F #2F2405

analogous

#05252F #05102F #0F052F

triadic

#05102F #2F0510 #102F05

tetradic

#05102F #2F0525 #2F2405 #052F0F

square

#05102F #2F0525 #2F2405 #052F0F

split-complementary

#05102F #2F0F05 #252F05

monochromatic

#03091C #03091C #05102F #0B2366 #11369E

Accessibility & contrast

On white

18.72

#05102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#05102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05102F

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05102F	#FFFFFF	#000000	##FFFFFF
##05102F	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)

#001430

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #05102f;
/* rgb */ color: rgb(5, 16, 47);
/* oklch */ color: oklch(18.6% 0.065 264.8);

Tailwind

colors: {
  custom: {
    50: '#4b4e68',
    500: '#05102f',
    950: '#000000',
  },
}

SCSS

$custom: #05102f;
$custom-light: #4b4e68;
$custom-dark: #000000;

JSON

{
  "hex": "#05102f",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 224.286,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.18567,
    "c": 0.06452,
    "h": 264.8
  },
  "luminance": 0.00608
}

Semantic roles & 50–950 ramp

primary

#05102F

secondary

#715B1F

accent

#C331F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #05102F

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

Preview Lab → · Contrast checker → · Palette generator →