#05152D#05152D

#05152D is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.7% C 0.053 H 257.6°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#05152D
RGB	rgb(5, 21, 45)
HSL	hsl(216, 80%, 10%)
HSV	hsv(216, 89%, 18%)
CMYK	cmyk(88.9%, 53.3%, 0%, 82.4%)
CIE-LAB	lab(6.85, 3.43, -18.10)
CIE-LCH	lch(6.85, 18.42, 280.73°)
OKLab	oklab(19.75% -0.0115 -0.0521)
OKLCH	oklch(19.75% 0.053 257.6)
XYZ	xyz(0.8042, 0.7580, 2.5860)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05152D #2D1D05

analogous

#05292D #05152D #09052D

triadic

#05152D #2D0515 #152D05

tetradic

#05152D #2D0529 #2D1D05 #052D09

square

#05152D #2D0529 #2D1D05 #052D09

split-complementary

#05152D #2D0905 #292D05

monochromatic

#030D1C #030D1C #05152D #0B2F64 #11489B

Accessibility & contrast

On white

18.24

#05152D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#05152D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05152D

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05152D	#FFFFFF	#000000	##FFFFFF
##05152D	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09172E

Deuteranopia (green-blind)

#03132D

Tritanopia (blue-blind)

#001B1E

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #05152d;
/* rgb */ color: rgb(5, 21, 45);
/* oklch */ color: oklch(19.7% 0.053 257.6);

Tailwind

colors: {
  custom: {
    50: '#4b5166',
    500: '#05152d',
    950: '#000000',
  },
}

SCSS

$custom: #05152d;
$custom-light: #4b5166;
$custom-dark: #000000;

JSON

{
  "hex": "#05152d",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 45
  },
  "hsl": {
    "h": 216,
    "s": 80,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19748,
    "c": 0.05335,
    "h": 257.6
  },
  "luminance": 0.00758
}

Semantic roles & 50–950 ramp

primary

#05152D

secondary

#6F4F1F

accent

#A831F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #05152D

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

Preview Lab → · Contrast checker → · Palette generator →