#09101D#09101D

#09101D is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.3% C 0.029 H 262.1°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#09101D
RGB	rgb(9, 16, 29)
HSL	hsl(219, 53%, 7%)
HSV	hsv(219, 69%, 11%)
CMYK	cmyk(69%, 44.8%, 0%, 88.6%)
CIE-LAB	lab(4.67, 1.14, -9.29)
CIE-LCH	lch(4.67, 9.36, 277.02°)
OKLab	oklab(17.34% -0.004 -0.0291)
OKLCH	oklch(17.34% 0.029 262.1)
XYZ	xyz(0.5196, 0.5173, 1.2346)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09101D #1D1609

analogous

#091A1D #09101D #0C091D

triadic

#09101D #1D0910 #101D09

tetradic

#09101D #1D091A #1D1609 #091D0C

square

#09101D #1D091A #1D1609 #091D0C

split-complementary

#09101D #1D0C09 #1A1D09

monochromatic

#070D17 #070D17 #09101D #172A4C #26447A

Accessibility & contrast

On white

19.03

#09101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#09101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09101D

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09101D	#FFFFFF	#000000	##FFFFFF
##09101D	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B111E

Deuteranopia (green-blind)

#090F1D

Tritanopia (blue-blind)

#031315

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #09101d;
/* rgb */ color: rgb(9, 16, 29);
/* oklch */ color: oklch(17.3% 0.029 262.1);

Tailwind

colors: {
  custom: {
    50: '#4a4e58',
    500: '#09101d',
    950: '#000000',
  },
}

SCSS

$custom: #09101d;
$custom-light: #4a4e58;
$custom-dark: #000000;

JSON

{
  "hex": "#09101d",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 219,
    "s": 52.632,
    "l": 7.451
  },
  "oklch": {
    "l": 0.17343,
    "c": 0.02936,
    "h": 262.1
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary

#09101D

secondary

#594829

accent

#AA4CDC

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #09101D

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

Preview Lab → · Contrast checker → · Palette generator →