#05083C#05083C

#05083C is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.097 H 269.2°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#05083C
RGB	rgb(5, 8, 60)
HSL	hsl(237, 85%, 13%)
HSV	hsv(237, 92%, 24%)
CMYK	cmyk(91.7%, 86.7%, 0%, 76.5%)
CIE-LAB	lab(4.81, 18.58, -32.37)
CIE-LCH	lch(4.81, 37.32, 299.85°)
OKLab	oklab(18.34% -0.0014 -0.0966)
OKLCH	oklch(18.34% 0.097 269.2)
XYZ	xyz(0.9648, 0.5321, 4.3259)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05083C #3C3905

analogous

#05233C #05083C #1D053C

triadic

#05083C #3C0508 #083C05

tetradic

#05083C #3C0523 #3C3905 #053C1D

square

#05083C #3C0523 #3C3905 #053C1D

split-complementary

#05083C #3C1D05 #233C05

monochromatic

#02041C #02041C #05083C #0A1074 #0E17AD

Accessibility & contrast

On white

18.98

#05083C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#05083C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05083C

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05083C	#FFFFFF	#000000	##FFFFFF
##05083C	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133D

Deuteranopia (green-blind)

#000D3B

Tritanopia (blue-blind)

#001721

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #05083c;
/* rgb */ color: rgb(5, 8, 60);
/* oklch */ color: oklch(18.3% 0.097 269.2);

Tailwind

colors: {
  custom: {
    50: '#504972',
    500: '#05083c',
    950: '#000000',
  },
}

SCSS

$custom: #05083c;
$custom-light: #504972;
$custom-dark: #000000;

JSON

{
  "hex": "#05083c",
  "rgb": {
    "r": 5,
    "g": 8,
    "b": 60
  },
  "hsl": {
    "h": 236.727,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.1834,
    "c": 0.09658,
    "h": 269.2
  },
  "luminance": 0.00532
}

Semantic roles & 50–950 ramp

primary

#05083C

secondary

#7D7820

accent

#F02DFB

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#020008

muted

#78777B

Preview Lab

Preview with #05083C

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

Preview Lab → · Contrast checker → · Palette generator →