#05102E#05102E

#05102E is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.5% C 0.063 H 264.5°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#05102E
RGB	rgb(5, 16, 46)
HSL	hsl(224, 80%, 10%)
HSV	hsv(224, 89%, 18%)
CMYK	cmyk(89.1%, 65.2%, 0%, 82%)
CIE-LAB	lab(5.42, 6.99, -21.11)
CIE-LCH	lch(5.42, 22.23, 288.31°)
OKLab	oklab(18.47% -0.006 -0.0625)
OKLCH	oklch(18.47% 0.063 264.5)
XYZ	xyz(0.7408, 0.6000, 2.6610)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05102E #2E2305

analogous

#05252E #05102E #0E052E

triadic

#05102E #2E0510 #102E05

tetradic

#05102E #2E0525 #2E2305 #052E0E

square

#05102E #2E0525 #2E2305 #052E0E

split-complementary

#05102E #2E0E05 #252E05

monochromatic

#030A1C #030A1C #05102E #0B2365 #11369C

Accessibility & contrast

On white

18.75

#05102E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#05102E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05102E

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05102E	#FFFFFF	#000000	##FFFFFF
##05102E	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00142F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#00171C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #05102e;
/* rgb */ color: rgb(5, 16, 46);
/* oklch */ color: oklch(18.5% 0.063 264.5);

Tailwind

colors: {
  custom: {
    50: '#4b4e67',
    500: '#05102e',
    950: '#000000',
  },
}

SCSS

$custom: #05102e;
$custom-light: #4b4e67;
$custom-dark: #000000;

JSON

{
  "hex": "#05102e",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 46
  },
  "hsl": {
    "h": 223.902,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.18467,
    "c": 0.06279,
    "h": 264.5
  },
  "luminance": 0.006
}

Semantic roles & 50–950 ramp

primary

#05102E

secondary

#705A1F

accent

#C231F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #05102E

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

Preview Lab → · Contrast checker → · Palette generator →