#05091F#05091F

#05091F is a very dark, muted blue. Relative luminance 0.003; OKLCH L 15.1% C 0.047 H 270.2°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#05091F
RGB	rgb(5, 9, 31)
HSL	hsl(231, 72%, 7%)
HSV	hsv(231, 84%, 12%)
CMYK	cmyk(83.9%, 71%, 0%, 87.8%)
CIE-LAB	lab(2.95, 3.98, -13.48)
CIE-LCH	lch(2.95, 14.05, 286.45°)
OKLab	oklab(15.1% 0.0002 -0.0473)
OKLCH	oklch(15.1% 0.047 270.2)
XYZ	xyz(0.4075, 0.3265, 1.3376)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05091F #1F1B05

analogous

#05161F #05091F #0E051F

triadic

#05091F #1F0509 #091F05

tetradic

#05091F #1F0516 #1F1B05 #051F0E

square

#05091F #1F0516 #1F1B05 #051F0E

split-complementary

#05091F #1F0E05 #161F05

monochromatic

#04081A #04081A #05091F #0E1854 #162888

Accessibility & contrast

On white

19.71

#05091F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#05091F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05091F

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05091F	#FFFFFF	#000000	##FFFFFF
##05091F	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010C20

Deuteranopia (green-blind)

#000A1F

Tritanopia (blue-blind)

#000E12

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #05091f;
/* rgb */ color: rgb(5, 9, 31);
/* oklch */ color: oklch(15.1% 0.047 270.2);

Tailwind

colors: {
  custom: {
    50: '#484b5a',
    500: '#05091f',
    950: '#000000',
  },
}

SCSS

$custom: #05091f;
$custom-light: #484b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#05091f",
  "rgb": {
    "r": 5,
    "g": 9,
    "b": 31
  },
  "hsl": {
    "h": 230.769,
    "s": 72.222,
    "l": 7.059
  },
  "oklch": {
    "l": 0.15101,
    "c": 0.04728,
    "h": 270.2
  },
  "luminance": 0.00327
}

Semantic roles & 50–950 ramp

primary

#05091F

secondary

#605620

accent

#D339EF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #05091F

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

Preview Lab → · Contrast checker → · Palette generator →