#09102A#09102A

#09102A is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.4% C 0.054 H 269.2°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#09102A
RGB	rgb(9, 16, 42)
HSL	hsl(227, 65%, 10%)
HSV	hsv(227, 79%, 16%)
CMYK	cmyk(78.6%, 61.9%, 0%, 83.5%)
CIE-LAB	lab(5.38, 6.12, -18.16)
CIE-LCH	lch(5.38, 19.16, 288.63°)
OKLab	oklab(18.4% -0.0008 -0.0537)
OKLCH	oklch(18.4% 0.054 269.2)
XYZ	xyz(0.7157, 0.5958, 2.2673)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09102A #2A2309

analogous

#09202A #09102A #13092A

triadic

#09102A #2A0910 #102A09

tetradic

#09102A #2A0920 #2A2309 #092A13

square

#09102A #2A0920 #2A2309 #092A13

split-complementary

#09102A #2A1309 #202A09

monochromatic

#050A19 #050A19 #09102A #14235C #1F368F

Accessibility & contrast

On white

18.76

#09102A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#09102A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09102A

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09102A	#FFFFFF	#000000	##FFFFFF
##09102A	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04132B

Deuteranopia (green-blind)

#011029

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #09102a;
/* rgb */ color: rgb(9, 16, 42);
/* oklch */ color: oklch(18.4% 0.054 269.2);

Tailwind

colors: {
  custom: {
    50: '#4c4e63',
    500: '#09102a',
    950: '#000000',
  },
}

SCSS

$custom: #09102a;
$custom-light: #4c4e63;
$custom-dark: #000000;

JSON

{
  "hex": "#09102a",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 42
  },
  "hsl": {
    "h": 227.273,
    "s": 64.706,
    "l": 10
  },
  "oklch": {
    "l": 0.18399,
    "c": 0.05376,
    "h": 269.2
  },
  "luminance": 0.00596
}

Semantic roles & 50–950 ramp

primary

#09102A

secondary

#685A27

accent

#C440E8

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #09102A

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

Preview Lab → · Contrast checker → · Palette generator →