#05153A#05153A

#05153A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 20.9% C 0.075 H 263.0°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#05153A
RGB	rgb(5, 21, 58)
HSL	hsl(222, 84%, 12%)
HSV	hsv(222, 91%, 23%)
CMYK	cmyk(91.4%, 63.8%, 0%, 77.3%)
CIE-LAB	lab(7.89, 9.90, -25.91)
CIE-LCH	lch(7.89, 27.74, 290.92°)
OKLab	oklab(20.95% -0.0092 -0.0748)
OKLCH	oklch(20.95% 0.075 263)
XYZ	xyz(1.0942, 0.8740, 4.1132)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05153A #3A2A05

analogous

#05303A #05153A #10053A

triadic

#05153A #3A0515 #153A05

tetradic

#05153A #3A0530 #3A2A05 #053A10

square

#05153A #3A0530 #3A2A05 #053A10

split-complementary

#05153A #3A1005 #303A05

monochromatic

#020A1C #020A1C #05153A #0A2972 #0F3EAB

Accessibility & contrast

On white

17.88

#05153A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#05153A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05153A

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05153A	#FFFFFF	#000000	##FFFFFF
##05153A	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #05153a;
/* rgb */ color: rgb(5, 21, 58);
/* oklch */ color: oklch(20.9% 0.075 263.0);

Tailwind

colors: {
  custom: {
    50: '#4f5170',
    500: '#05153a',
    950: '#000000',
  },
}

SCSS

$custom: #05153a;
$custom-light: #4f5170;
$custom-dark: #000000;

JSON

{
  "hex": "#05153a",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 58
  },
  "hsl": {
    "h": 221.887,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20948,
    "c": 0.07535,
    "h": 263
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#05153A

secondary

#7B5F20

accent

#BD2DFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #05153A

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

Preview Lab → · Contrast checker → · Palette generator →