#090B38#090B38

#090B38 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.085 H 272.7°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#090B38
RGB	rgb(9, 11, 56)
HSL	hsl(237, 72%, 13%)
HSV	hsv(237, 84%, 22%)
CMYK	cmyk(83.9%, 80.4%, 0%, 78%)
CIE-LAB	lab(5.26, 15.89, -28.71)
CIE-LCH	lch(5.26, 32.82, 298.96°)
OKLab	oklab(18.72% 0.004 -0.085)
OKLCH	oklch(18.72% 0.085 272.7)
XYZ	xyz(0.9459, 0.5828, 3.8033)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.98

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090B38 #383609

analogous

#092238 #090B38 #1E0938

triadic

#090B38 #38090B #0B3809

tetradic

#090B38 #380922 #383609 #09381E

square

#090B38 #380922 #383609 #09381E

split-complementary

#090B38 #381E09 #223809

monochromatic

#04051A #04051A #090B38 #11156D #1A20A1

Accessibility & contrast

On white

18.81

#090B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#090B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090B38

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090B38	#FFFFFF	#000000	##FFFFFF
##090B38	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001439

Deuteranopia (green-blind)

#000F37

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #090b38;
/* rgb */ color: rgb(9, 11, 56);
/* oklch */ color: oklch(18.7% 0.085 272.7);

Tailwind

colors: {
  custom: {
    50: '#504b6f',
    500: '#090b38',
    950: '#000000',
  },
}

SCSS

$custom: #090b38;
$custom-light: #504b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#090b38",
  "rgb": {
    "r": 9,
    "g": 11,
    "b": 56
  },
  "hsl": {
    "h": 237.447,
    "s": 72.308,
    "l": 12.745
  },
  "oklch": {
    "l": 0.18723,
    "c": 0.08508,
    "h": 272.7
  },
  "luminance": 0.00583
}

Semantic roles & 50–950 ramp

primary

#090B38

secondary

#767327

accent

#E739EF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #090B38

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

Preview Lab → · Contrast checker → · Palette generator →