#091731#091731

#091731 is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.9% C 0.055 H 261.5°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#091731
RGB	rgb(9, 23, 49)
HSL	hsl(219, 69%, 11%)
HSV	hsv(219, 82%, 19%)
CMYK	cmyk(81.6%, 53.1%, 0%, 80.8%)
CIE-LAB	lab(8.06, 4.86, -19.10)
CIE-LCH	lch(8.06, 19.70, 284.28°)
OKLab	oklab(20.9% -0.0081 -0.0546)
OKLCH	oklch(20.9% 0.055 261.5)
XYZ	xyz(0.9732, 0.8925, 3.0261)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#091731 #312309

analogous

#092B31 #091731 #0F0931

triadic

#091731 #310917 #173109

tetradic

#091731 #31092B #312309 #09310F

square

#091731 #31092B #312309 #09310F

split-complementary

#091731 #310F09 #2B3109

monochromatic

#050C1A #050C1A #091731 #122F65 #1C4898

Accessibility & contrast

On white

17.82

#091731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#091731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #091731

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##091731	#FFFFFF	#000000	##FFFFFF
##091731	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1A32

Deuteranopia (green-blind)

#051630

Tritanopia (blue-blind)

#001D21

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #091731;
/* rgb */ color: rgb(9, 23, 49);
/* oklch */ color: oklch(20.9% 0.055 261.5);

Tailwind

colors: {
  custom: {
    50: '#4e5369',
    500: '#091731',
    950: '#000000',
  },
}

SCSS

$custom: #091731;
$custom-light: #4e5369;
$custom-dark: #000000;

JSON

{
  "hex": "#091731",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 49
  },
  "hsl": {
    "h": 219,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.209,
    "c": 0.05519,
    "h": 261.5
  },
  "luminance": 0.00893
}

Semantic roles & 50–950 ramp

primary

#091731

secondary

#6F5627

accent

#AE3CEC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #091731

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

Preview Lab → · Contrast checker → · Palette generator →