#090A37#090A37

#090A37 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.4% C 0.085 H 273.3°. Best body text is #FFFFFF at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#090A37
RGB	rgb(9, 10, 55)
HSL	hsl(239, 72%, 13%)
HSV	hsv(239, 84%, 22%)
CMYK	cmyk(83.6%, 81.8%, 0%, 78.4%)
CIE-LAB	lab(4.98, 15.78, -28.45)
CIE-LCH	lch(4.98, 32.53, 299.01°)
OKLab	oklab(18.41% 0.0049 -0.0847)
OKLCH	oklch(18.41% 0.085 273.3)
XYZ	xyz(0.9106, 0.5509, 3.6720)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.94

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090A37 #373609

analogous

#092137 #090A37 #1F0937

triadic

#090A37 #37090A #0A3709

tetradic

#090A37 #370921 #373609 #09371F

square

#090A37 #370921 #373609 #09371F

split-complementary

#090A37 #371F09 #213709

monochromatic

#04051A #04051A #090A37 #12146C #1A1DA0

Accessibility & contrast

On white

18.92

#090A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#090A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090A37

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090A37	#FFFFFF	#000000	##FFFFFF
##090A37	1.00	18.92	1.11	18.92
#FFFFFF	18.92	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#000F36

Tritanopia (blue-blind)

#00161F

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #090a37;
/* rgb */ color: rgb(9, 10, 55);
/* oklch */ color: oklch(18.4% 0.085 273.3);

Tailwind

colors: {
  custom: {
    50: '#504a6e',
    500: '#090a37',
    950: '#000000',
  },
}

SCSS

$custom: #090a37;
$custom-light: #504a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#090a37",
  "rgb": {
    "r": 9,
    "g": 10,
    "b": 55
  },
  "hsl": {
    "h": 238.696,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18408,
    "c": 0.08485,
    "h": 273.3
  },
  "luminance": 0.00551
}

Semantic roles & 50–950 ramp

primary

#090A37

secondary

#757327

accent

#EB39EF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #090A37

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

Preview Lab → · Contrast checker → · Palette generator →