#05083A#05083A

#05083A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.094 H 269.4°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#05083A
RGB	rgb(5, 8, 58)
HSL	hsl(237, 84%, 12%)
HSV	hsv(237, 91%, 23%)
CMYK	cmyk(91.4%, 86.2%, 0%, 77.3%)
CIE-LAB	lab(4.62, 17.41, -31.23)
CIE-LCH	lch(4.62, 35.75, 299.14°)
OKLab	oklab(18.07% -0.001 -0.0936)
OKLCH	oklch(18.07% 0.094 269.4)
XYZ	xyz(0.9129, 0.5113, 4.0527)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05083A #3A3705

analogous

#05223A #05083A #1D053A

triadic

#05083A #3A0508 #083A05

tetradic

#05083A #3A0522 #3A3705 #053A1D

square

#05083A #3A0522 #3A3705 #053A1D

split-complementary

#05083A #3A1D05 #223A05

monochromatic

#02041C #02041C #05083A #0A1072 #0F18AB

Accessibility & contrast

On white

19.05

#05083A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#05083A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05083A

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05083A	#FFFFFF	#000000	##FFFFFF
##05083A	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133B

Deuteranopia (green-blind)

#000D39

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #05083a;
/* rgb */ color: rgb(5, 8, 58);
/* oklch */ color: oklch(18.1% 0.094 269.4);

Tailwind

colors: {
  custom: {
    50: '#4f4971',
    500: '#05083a',
    950: '#000000',
  },
}

SCSS

$custom: #05083a;
$custom-light: #4f4971;
$custom-dark: #000000;

JSON

{
  "hex": "#05083a",
  "rgb": {
    "r": 5,
    "g": 8,
    "b": 58
  },
  "hsl": {
    "h": 236.604,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18072,
    "c": 0.09365,
    "h": 269.4
  },
  "luminance": 0.00511
}

Semantic roles & 50–950 ramp

primary

#05083A

secondary

#7B7620

accent

#EF2DFA

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020107

muted

#78777A

Preview Lab

Preview with #05083A

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

Preview Lab → · Contrast checker → · Palette generator →