#090B3B#090B3B

#090B3B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.1% C 0.090 H 272.3°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#090B3B
RGB	rgb(9, 11, 59)
HSL	hsl(238, 74%, 13%)
HSV	hsv(238, 85%, 23%)
CMYK	cmyk(84.7%, 81.4%, 0%, 76.9%)
CIE-LAB	lab(5.54, 17.50, -30.45)
CIE-LCH	lch(5.54, 35.12, 299.89°)
OKLab	oklab(19.09% 0.0035 -0.0896)
OKLCH	oklch(19.09% 0.09 272.3)
XYZ	xyz(1.0215, 0.6131, 4.2013)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090B3B #3B3909

analogous

#09243B #090B3B #20093B

triadic

#090B3B #3B090B #0B3B09

tetradic

#090B3B #3B0924 #3B3909 #093B20

square

#090B3B #3B0924 #3B3909 #093B20

split-complementary

#090B3B #3B2009 #243B09

monochromatic

#04051B #04051B #090B3B #111570 #191FA5

Accessibility & contrast

On white

18.71

#090B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#090B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090B3B

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090B3B	#FFFFFF	#000000	##FFFFFF
##090B3B	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00103A

Tritanopia (blue-blind)

#001822

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #090b3b;
/* rgb */ color: rgb(9, 11, 59);
/* oklch */ color: oklch(19.1% 0.090 272.3);

Tailwind

colors: {
  custom: {
    50: '#514b71',
    500: '#090b3b',
    950: '#000000',
  },
}

SCSS

$custom: #090b3b;
$custom-light: #514b71;
$custom-dark: #000000;

JSON

{
  "hex": "#090b3b",
  "rgb": {
    "r": 9,
    "g": 11,
    "b": 59
  },
  "hsl": {
    "h": 237.6,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.19086,
    "c": 0.0897,
    "h": 272.3
  },
  "luminance": 0.00613
}

Semantic roles & 50–950 ramp

primary

#090B3B

secondary

#797627

accent

#E938F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #090B3B

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

Preview Lab → · Contrast checker → · Palette generator →