#0B0733#0B0733

#0B0733 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.5% C 0.082 H 277.9°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#0B0733
RGB	rgb(11, 7, 51)
HSL	hsl(245, 76%, 11%)
HSV	hsv(245, 86%, 20%)
CMYK	cmyk(78.4%, 86.3%, 0%, 80%)
CIE-LAB	lab(4.17, 15.24, -26.79)
CIE-LCH	lch(4.17, 30.83, 299.63°)
OKLab	oklab(17.47% 0.0114 -0.0816)
OKLCH	oklch(17.47% 0.082 277.9)
XYZ	xyz(0.8113, 0.4621, 3.1778)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 2.08

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0733 #2F3307

analogous

#071933 #0B0733 #210733

triadic

#0B0733 #330B07 #07330B

tetradic

#0B0733 #330719 #2F3307 #073321

square

#0B0733 #330719 #2F3307 #073321

split-complementary

#0B0733 #332107 #193307

monochromatic

#06041B #06041B #0B0733 #170E69 #22169F

Accessibility & contrast

On white

19.22

#0B0733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0B0733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0733

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0733	#FFFFFF	#000000	##FFFFFF
##0B0733	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000D32

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b0733;
/* rgb */ color: rgb(11, 7, 51);
/* oklch */ color: oklch(17.5% 0.082 277.9);

Tailwind

colors: {
  custom: {
    50: '#4f496b',
    500: '#0b0733',
    950: '#000000',
  },
}

SCSS

$custom: #0b0733;
$custom-light: #4f496b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0733",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 51
  },
  "hsl": {
    "h": 245.455,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17473,
    "c": 0.08242,
    "h": 277.9
  },
  "luminance": 0.00462
}

Semantic roles & 50–950 ramp

primary

#0B0733

secondary

#6B7323

accent

#F235E1

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0733

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

Preview Lab → · Contrast checker → · Palette generator →