#05152C#05152C

#05152C is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.7% C 0.052 H 256.9°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#05152C
RGB	rgb(5, 21, 44)
HSL	hsl(215, 80%, 10%)
HSV	hsv(215, 89%, 17%)
CMYK	cmyk(88.6%, 52.3%, 0%, 82.7%)
CIE-LAB	lab(6.78, 2.95, -17.46)
CIE-LCH	lch(6.78, 17.71, 279.58°)
OKLab	oklab(19.66% -0.0117 -0.0503)
OKLCH	oklch(19.66% 0.052 256.9)
XYZ	xyz(0.7852, 0.7504, 2.4858)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05152C #2C1C05

analogous

#05292C #05152C #09052C

triadic

#05152C #2C0515 #152C05

tetradic

#05152C #2C0529 #2C1C05 #052C09

square

#05152C #2C0529 #2C1C05 #052C09

split-complementary

#05152C #2C0905 #292C05

monochromatic

#030D1B #030D1B #05152C #0B2F63 #11499A

Accessibility & contrast

On white

18.26

#05152C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#05152C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05152C

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05152C	#FFFFFF	#000000	##FFFFFF
##05152C	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A172D

Deuteranopia (green-blind)

#04132C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #05152c;
/* rgb */ color: rgb(5, 21, 44);
/* oklch */ color: oklch(19.7% 0.052 256.9);

Tailwind

colors: {
  custom: {
    50: '#4a5265',
    500: '#05152c',
    950: '#000000',
  },
}

SCSS

$custom: #05152c;
$custom-light: #4a5265;
$custom-dark: #000000;

JSON

{
  "hex": "#05152c",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 44
  },
  "hsl": {
    "h": 215.385,
    "s": 79.592,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19664,
    "c": 0.05163,
    "h": 256.9
  },
  "luminance": 0.0075
}

Semantic roles & 50–950 ramp

primary

#05152C

secondary

#6E4D1F

accent

#A632F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #05152C

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

Preview Lab → · Contrast checker → · Palette generator →