#05143A#05143A

#05143A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.077 H 263.7°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).

Color values

HEX	#05143A
RGB	rgb(5, 20, 58)
HSL	hsl(223, 84%, 12%)
HSV	hsv(223, 91%, 23%)
CMYK	cmyk(91.4%, 65.5%, 0%, 77.3%)
CIE-LAB	lab(7.57, 10.69, -26.44)
CIE-LCH	lch(7.57, 28.52, 292.01°)
OKLab	oklab(20.7% -0.0084 -0.0764)
OKLCH	oklch(20.7% 0.077 263.7)
XYZ	xyz(1.0762, 0.8379, 4.1072)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05143A #3A2B05

analogous

#052F3A #05143A #11053A

triadic

#05143A #3A0514 #143A05

tetradic

#05143A #3A052F #3A2B05 #053A11

square

#05143A #3A052F #3A2B05 #053A11

split-complementary

#05143A #3A1105 #2F3A05

monochromatic

#020A1C #020A1C #05143A #0A2772 #0F3BAB

Accessibility & contrast

On white

17.99

#05143A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#05143A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05143A

17.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05143A	#FFFFFF	#000000	##FFFFFF
##05143A	1.00	17.99	1.17	17.99
#FFFFFF	17.99	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #05143a;
/* rgb */ color: rgb(5, 20, 58);
/* oklch */ color: oklch(20.7% 0.077 263.7);

Tailwind

colors: {
  custom: {
    50: '#4f5070',
    500: '#05143a',
    950: '#000000',
  },
}

SCSS

$custom: #05143a;
$custom-light: #4f5070;
$custom-dark: #000000;

JSON

{
  "hex": "#05143a",
  "rgb": {
    "r": 5,
    "g": 20,
    "b": 58
  },
  "hsl": {
    "h": 223.019,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20697,
    "c": 0.07685,
    "h": 263.7
  },
  "luminance": 0.00838
}

Semantic roles & 50–950 ramp

primary

#05143A

secondary

#7B6120

accent

#C02DFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #05143A

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

Preview Lab → · Contrast checker → · Palette generator →