#05083F#05083F

#05083F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.101 H 268.9°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#05083F
RGB	rgb(5, 8, 63)
HSL	hsl(237, 85%, 13%)
HSV	hsv(237, 92%, 25%)
CMYK	cmyk(92.1%, 87.3%, 0%, 75.3%)
CIE-LAB	lab(5.10, 20.27, -34.05)
CIE-LCH	lch(5.10, 39.63, 300.77°)
OKLab	oklab(18.75% -0.0019 -0.1009)
OKLCH	oklch(18.75% 0.101 268.9)
XYZ	xyz(1.0463, 0.5647, 4.7555)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05083F #3F3C05

analogous

#05253F #05083F #1F053F

triadic

#05083F #3F0508 #083F05

tetradic

#05083F #3F0525 #3F3C05 #053F1F

square

#05083F #3F0525 #3F3C05 #053F1F

split-complementary

#05083F #3F1F05 #253F05

monochromatic

#02041C #02041C #05083F #090F78 #0E16B0

Accessibility & contrast

On white

18.87

#05083F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#05083F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05083F

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05083F	#FFFFFF	#000000	##FFFFFF
##05083F	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001441

Deuteranopia (green-blind)

#000E3E

Tritanopia (blue-blind)

#001923

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #05083f;
/* rgb */ color: rgb(5, 8, 63);
/* oklch */ color: oklch(18.7% 0.101 268.9);

Tailwind

colors: {
  custom: {
    50: '#514975',
    500: '#05083f',
    950: '#000000',
  },
}

SCSS

$custom: #05083f;
$custom-light: #514975;
$custom-dark: #000000;

JSON

{
  "hex": "#05083f",
  "rgb": {
    "r": 5,
    "g": 8,
    "b": 63
  },
  "hsl": {
    "h": 236.897,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.18745,
    "c": 0.1009,
    "h": 268.9
  },
  "luminance": 0.00565
}

Semantic roles & 50–950 ramp

primary

#05083F

secondary

#807B20

accent

#F12CFC

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #05083F

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

Preview Lab → · Contrast checker → · Palette generator →