#0B0239#0B0239

#0B0239 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.099 H 278.0°. Best body text is #FFFFFF at 19.41:1 contrast (WCAG AA passes).

Color values

HEX	#0B0239
RGB	rgb(11, 2, 57)
HSL	hsl(250, 93%, 12%)
HSV	hsv(250, 96%, 22%)
CMYK	cmyk(80.7%, 96.5%, 0%, 77.6%)
CIE-LAB	lab(3.70, 20.78, -31.97)
CIE-LCH	lch(3.70, 38.13, 303.02°)
OKLab	oklab(17.19% 0.0137 -0.0979)
OKLCH	oklch(17.19% 0.099 278)
XYZ	xyz(0.8980, 0.4099, 3.9019)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0239 #303902

analogous

#021539 #0B0239 #270239

triadic

#0B0239 #390B02 #02390B

tetradic

#0B0239 #390215 #303902 #023927

square

#0B0239 #390215 #303902 #023927

split-complementary

#0B0239 #392702 #153902

monochromatic

#06011E #06011E #0B0239 #160474 #2206AF

Accessibility & contrast

On white

19.41

#0B0239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0239

19.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0239	#FFFFFF	#000000	##FFFFFF
##0B0239	1.00	19.41	1.08	19.41
#FFFFFF	19.41	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F3A

Deuteranopia (green-blind)

#000B38

Tritanopia (blue-blind)

#00131E

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0239;
/* rgb */ color: rgb(11, 2, 57);
/* oklch */ color: oklch(17.2% 0.099 278.0);

Tailwind

colors: {
  custom: {
    50: '#514670',
    500: '#0b0239',
    950: '#000000',
  },
}

SCSS

$custom: #0b0239;
$custom-light: #514670;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0239",
  "rgb": {
    "r": 11,
    "g": 2,
    "b": 57
  },
  "hsl": {
    "h": 249.818,
    "s": 93.22,
    "l": 11.569
  },
  "oklch": {
    "l": 0.17189,
    "c": 0.09891,
    "h": 278
  },
  "luminance": 0.0041
}

Semantic roles & 50–950 ramp

primary

#0B0239

secondary

#6D7D1A

accent

#FF29DC

background

#F4F3F6

surface

#E7E5EC

border

#C3C1C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0239

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

Preview Lab → · Contrast checker → · Palette generator →