#0B0633#0B0633

#0B0633 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.3% C 0.084 H 278.5°. Best body text is #FFFFFF at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#0B0633
RGB	rgb(11, 6, 51)
HSL	hsl(247, 79%, 11%)
HSV	hsv(247, 88%, 20%)
CMYK	cmyk(78.4%, 88.2%, 0%, 80%)
CIE-LAB	lab(3.98, 15.65, -27.11)
CIE-LCH	lch(3.98, 31.30, 299.99°)
OKLab	oklab(17.26% 0.0124 -0.0831)
OKLCH	oklch(17.26% 0.084 278.5)
XYZ	xyz(0.8005, 0.4403, 3.1741)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 2.18

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0633 #2E3306

analogous

#061733 #0B0633 #210633

triadic

#0B0633 #330B06 #06330B

tetradic

#0B0633 #330617 #2E3306 #063321

square

#0B0633 #330617 #2E3306 #063321

split-complementary

#0B0633 #332106 #173306

monochromatic

#06031B #06031B #0B0633 #170C6A #2313A1

Accessibility & contrast

On white

19.30

#0B0633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0B0633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0633

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0633	#FFFFFF	#000000	##FFFFFF
##0B0633	1.00	19.30	1.09	19.30
#FFFFFF	19.30	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0b0633;
/* rgb */ color: rgb(11, 6, 51);
/* oklch */ color: oklch(17.3% 0.084 278.5);

Tailwind

colors: {
  custom: {
    50: '#4f496b',
    500: '#0b0633',
    950: '#000000',
  },
}

SCSS

$custom: #0b0633;
$custom-light: #4f496b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0633",
  "rgb": {
    "r": 11,
    "g": 6,
    "b": 51
  },
  "hsl": {
    "h": 246.667,
    "s": 78.947,
    "l": 11.176
  },
  "oklch": {
    "l": 0.17256,
    "c": 0.084,
    "h": 278.5
  },
  "luminance": 0.0044
}

Semantic roles & 50–950 ramp

primary

#0B0633

secondary

#6A7421

accent

#F532E0

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0633

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

Preview Lab → · Contrast checker → · Palette generator →