#05152F#05152F

#05152F is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.9% C 0.057 H 258.8°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#05152F
RGB	rgb(5, 21, 47)
HSL	hsl(217, 81%, 10%)
HSV	hsv(217, 89%, 18%)
CMYK	cmyk(89.4%, 55.3%, 0%, 81.6%)
CIE-LAB	lab(6.99, 4.44, -19.35)
CIE-LCH	lch(6.99, 19.86, 282.91°)
OKLab	oklab(19.92% -0.011 -0.0557)
OKLCH	oklch(19.92% 0.057 258.8)
XYZ	xyz(0.8437, 0.7737, 2.7937)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05152F #2F1F05

analogous

#052A2F #05152F #0A052F

triadic

#05152F #2F0515 #152F05

tetradic

#05152F #2F052A #2F1F05 #052F0A

square

#05152F #2F052A #2F1F05 #052F0A

split-complementary

#05152F #2F0A05 #2A2F05

monochromatic

#030C1C #030C1C #05152F #0B2E66 #11469E

Accessibility & contrast

On white

18.18

#05152F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#05152F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05152F

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05152F	#FFFFFF	#000000	##FFFFFF
##05152F	1.00	18.18	1.15	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081830

Deuteranopia (green-blind)

#02142E

Tritanopia (blue-blind)

#001B1F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #05152f;
/* rgb */ color: rgb(5, 21, 47);
/* oklch */ color: oklch(19.9% 0.057 258.8);

Tailwind

colors: {
  custom: {
    50: '#4b5167',
    500: '#05152f',
    950: '#000000',
  },
}

SCSS

$custom: #05152f;
$custom-light: #4b5167;
$custom-dark: #000000;

JSON

{
  "hex": "#05152f",
  "rgb": {
    "r": 5,
    "g": 21,
    "b": 47
  },
  "hsl": {
    "h": 217.143,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.1992,
    "c": 0.05679,
    "h": 258.8
  },
  "luminance": 0.00774
}

Semantic roles & 50–950 ramp

primary

#05152F

secondary

#71521F

accent

#AC31F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #05152F

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

Preview Lab → · Contrast checker → · Palette generator →