#091831#091831

#091831 is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.2% C 0.054 H 260.0°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#091831
RGB	rgb(9, 24, 49)
HSL	hsl(218, 69%, 11%)
HSV	hsv(218, 82%, 19%)
CMYK	cmyk(81.6%, 51%, 0%, 80.8%)
CIE-LAB	lab(8.42, 4.06, -18.52)
CIE-LCH	lch(8.42, 18.96, 282.37°)
OKLab	oklab(21.18% -0.0093 -0.0529)
OKLCH	oklch(21.18% 0.054 260)
XYZ	xyz(0.9935, 0.9330, 3.0329)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#091831 #312209

analogous

#092C31 #091831 #0E0931

triadic

#091831 #310918 #183109

tetradic

#091831 #31092C #312209 #09310E

square

#091831 #31092C #312209 #09310E

split-complementary

#091831 #310E09 #2C3109

monochromatic

#050D1A #050D1A #091831 #123165 #1C4B98

Accessibility & contrast

On white

17.70

#091831 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#091831 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #091831

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##091831	#FFFFFF	#000000	##FFFFFF
##091831	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1A32

Deuteranopia (green-blind)

#061730

Tritanopia (blue-blind)

#001E22

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #091831;
/* rgb */ color: rgb(9, 24, 49);
/* oklch */ color: oklch(21.2% 0.054 260.0);

Tailwind

colors: {
  custom: {
    50: '#4e5469',
    500: '#091831',
    950: '#000000',
  },
}

SCSS

$custom: #091831;
$custom-light: #4e5469;
$custom-dark: #000000;

JSON

{
  "hex": "#091831",
  "rgb": {
    "r": 9,
    "g": 24,
    "b": 49
  },
  "hsl": {
    "h": 217.5,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21176,
    "c": 0.0537,
    "h": 260
  },
  "luminance": 0.00933
}

Semantic roles & 50–950 ramp

primary

#091831

secondary

#6F5427

accent

#AA3CEC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #091831

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

Preview Lab → · Contrast checker → · Palette generator →