#09102F#09102F

#09102F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.063 H 269.8°. Best body text is #FFFFFF at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#09102F
RGB	rgb(9, 16, 47)
HSL	hsl(229, 68%, 11%)
HSV	hsv(229, 81%, 18%)
CMYK	cmyk(80.9%, 66%, 0%, 81.6%)
CIE-LAB	lab(5.73, 8.54, -21.35)
CIE-LCH	lch(5.73, 23.00, 291.80°)
OKLab	oklab(18.87% -0.0002 -0.0627)
OKLCH	oklch(18.87% 0.063 269.8)
XYZ	xyz(0.8109, 0.6338, 2.7684)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09102F #2F2809

analogous

#09232F #09102F #15092F

triadic

#09102F #2F0910 #102F09

tetradic

#09102F #2F0923 #2F2809 #092F15

square

#09102F #2F0923 #2F2809 #092F15

split-complementary

#09102F #2F1509 #232F09

monochromatic

#05091A #05091A #09102F #132162 #1D3396

Accessibility & contrast

On white

18.64

#09102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#09102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09102F

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09102F	#FFFFFF	#000000	##FFFFFF
##09102F	1.00	18.64	1.13	18.64
#FFFFFF	18.64	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001430

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #09102f;
/* rgb */ color: rgb(9, 16, 47);
/* oklch */ color: oklch(18.9% 0.063 269.8);

Tailwind

colors: {
  custom: {
    50: '#4d4e68',
    500: '#09102f',
    950: '#000000',
  },
}

SCSS

$custom: #09102f;
$custom-light: #4d4e68;
$custom-dark: #000000;

JSON

{
  "hex": "#09102f",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 228.947,
    "s": 67.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.1887,
    "c": 0.06267,
    "h": 269.8
  },
  "luminance": 0.00634
}

Semantic roles & 50–950 ramp

primary

#09102F

secondary

#6D6027

accent

#CB3DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #09102F

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

Preview Lab → · Contrast checker → · Palette generator →