#091027#091027

#091027 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.1% C 0.048 H 268.5°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#091027
RGB	rgb(9, 16, 39)
HSL	hsl(226, 63%, 9%)
HSV	hsv(226, 77%, 15%)
CMYK	cmyk(76.9%, 59%, 0%, 84.7%)
CIE-LAB	lab(5.19, 4.81, -16.18)
CIE-LCH	lch(5.19, 16.88, 286.55°)
OKLab	oklab(18.13% -0.0013 -0.0482)
OKLCH	oklch(18.13% 0.048 268.5)
XYZ	xyz(0.6640, 0.5751, 1.9951)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#091027 #272009

analogous

#091F27 #091027 #110927

triadic

#091027 #270910 #102709

tetradic

#091027 #27091F #272009 #092711

square

#091027 #27091F #272009 #092711

split-complementary

#091027 #271109 #1F2709

monochromatic

#060A19 #060A19 #091027 #142459 #20398A

Accessibility & contrast

On white

18.83

#091027 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#091027 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #091027

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##091027	#FFFFFF	#000000	##FFFFFF
##091027	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061328

Deuteranopia (green-blind)

#031027

Tritanopia (blue-blind)

#001519

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #091027;
/* rgb */ color: rgb(9, 16, 39);
/* oklch */ color: oklch(18.1% 0.048 268.5);

Tailwind

colors: {
  custom: {
    50: '#4b4e61',
    500: '#091027',
    950: '#000000',
  },
}

SCSS

$custom: #091027;
$custom-light: #4b4e61;
$custom-dark: #000000;

JSON

{
  "hex": "#091027",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 39
  },
  "hsl": {
    "h": 226,
    "s": 62.5,
    "l": 9.412
  },
  "oklch": {
    "l": 0.18133,
    "c": 0.04827,
    "h": 268.5
  },
  "luminance": 0.00575
}

Semantic roles & 50–950 ramp

primary

#091027

secondary

#645627

accent

#BF42E6

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #091027

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

Preview Lab → · Contrast checker → · Palette generator →