#0B0637#0B0637

#0B0637 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.090 H 277.1°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B0637
RGB	rgb(11, 6, 55)
HSL	hsl(246, 80%, 12%)
HSV	hsv(246, 89%, 22%)
CMYK	cmyk(80%, 89.1%, 0%, 78.4%)
CIE-LAB	lab(4.31, 17.94, -29.52)
CIE-LCH	lch(4.31, 34.54, 301.29°)
OKLab	oklab(17.77% 0.0112 -0.0892)
OKLCH	oklch(17.77% 0.09 277.1)
XYZ	xyz(0.8925, 0.4772, 3.6588)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0637 #323706

analogous

#061A37 #0B0637 #240637

triadic

#0B0637 #370B06 #06370B

tetradic

#0B0637 #37061A #323706 #063724

square

#0B0637 #37061A #323706 #063724

split-complementary

#0B0637 #372406 #1A3706

monochromatic

#06031C #06031C #0B0637 #160C6E #2112A5

Accessibility & contrast

On white

19.17

#0B0637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0637

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0637	#FFFFFF	#000000	##FFFFFF
##0B0637	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001138

Deuteranopia (green-blind)

#000D36

Tritanopia (blue-blind)

#00141E

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0b0637;
/* rgb */ color: rgb(11, 6, 55);
/* oklch */ color: oklch(17.8% 0.090 277.1);

Tailwind

colors: {
  custom: {
    50: '#51486e',
    500: '#0b0637',
    950: '#000000',
  },
}

SCSS

$custom: #0b0637;
$custom-light: #51486e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0637",
  "rgb": {
    "r": 11,
    "g": 6,
    "b": 55
  },
  "hsl": {
    "h": 246.122,
    "s": 80.328,
    "l": 11.961
  },
  "oklch": {
    "l": 0.17772,
    "c": 0.08989,
    "h": 277.1
  },
  "luminance": 0.00477
}

Semantic roles & 50–950 ramp

primary

#0B0637

secondary

#6F7721

accent

#F731E3

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0637

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

Preview Lab → · Contrast checker → · Palette generator →