#05153F#05153F

#05153F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.083 H 263.9°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#05153F
RGB	rgb(5, 21, 63)
HSL	hsl(223, 85%, 13%)
HSV	hsv(223, 92%, 25%)
CMYK	cmyk(92.1%, 66.7%, 0%, 75.3%)
CIE-LAB	lab(8.37, 12.27, -28.71)
CIE-LCH	lch(8.37, 31.22, 293.13°)
OKLab	oklab(21.46% -0.0089 -0.083)
OKLCH	oklch(21.46% 0.083 263.9)
XYZ	xyz(1.2276, 0.9273, 4.8160)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05153F #3F2F05

analogous

#05323F #05153F #12053F

triadic

#05153F #3F0515 #153F05

tetradic

#05153F #3F0532 #3F2F05 #053F12

square

#05153F #3F0532 #3F2F05 #053F12

split-complementary

#05153F #3F1205 #323F05

monochromatic

#02091C #02091C #05153F #092878 #0E3BB0

Accessibility & contrast

On white

17.72

#05153F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#05153F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05153F

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05153F	#FFFFFF	#000000	##FFFFFF
##05153F	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #05153f;
/* rgb */ color: rgb(5, 21, 63);
/* oklch */ color: oklch(21.5% 0.083 263.9);

Tailwind

colors: {
  custom: {
    50: '#515174',
    500: '#05153f',
    950: '#000000',
  },
}

SCSS

$custom: #05153f;
$custom-light: #515174;
$custom-dark: #000000;

JSON

{
  "hex": "#05153f",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 63
  },
  "hsl": {
    "h": 223.448,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.21456,
    "c": 0.08348,
    "h": 263.9
  },
  "luminance": 0.00927
}

Semantic roles & 50–950 ramp

primary

#05153F

secondary

#806520

accent

#C22CFC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #05153F

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

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