#0B0533#0B0533

#0B0533 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.0% C 0.086 H 279.0°. Best body text is #FFFFFF at 19.38:1 contrast (WCAG AA passes).

Color values

HEX	#0B0533
RGB	rgb(11, 5, 51)
HSL	hsl(248, 82%, 11%)
HSV	hsv(248, 90%, 20%)
CMYK	cmyk(78.4%, 90.2%, 0%, 80%)
CIE-LAB	lab(3.78, 16.05, -27.42)
CIE-LCH	lch(3.78, 31.77, 300.33°)
OKLab	oklab(17.03% 0.0133 -0.0846)
OKLCH	oklch(17.03% 0.086 279)
XYZ	xyz(0.7896, 0.4186, 3.1705)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0533 #2D3305

analogous

#051633 #0B0533 #220533

triadic

#0B0533 #330B05 #05330B

tetradic

#0B0533 #330516 #2D3305 #053322

square

#0B0533 #330516 #2D3305 #053322

split-complementary

#0B0533 #332205 #163305

monochromatic

#06031C #06031C #0B0533 #170A6B #2310A2

Accessibility & contrast

On white

19.38

#0B0533 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0533 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0533

19.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0533	#FFFFFF	#000000	##FFFFFF
##0B0533	1.00	19.38	1.08	19.38
#FFFFFF	19.38	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F34

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#00121B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0533;
/* rgb */ color: rgb(11, 5, 51);
/* oklch */ color: oklch(17.0% 0.086 279.0);

Tailwind

colors: {
  custom: {
    50: '#4f486b',
    500: '#0b0533',
    950: '#000000',
  },
}

SCSS

$custom: #0b0533;
$custom-light: #4f486b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0533",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 51
  },
  "hsl": {
    "h": 247.826,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17033,
    "c": 0.08565,
    "h": 279
  },
  "luminance": 0.00419
}

Semantic roles & 50–950 ramp

primary

#0B0533

secondary

#69741F

accent

#F82FDE

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0533

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

Preview Lab → · Contrast checker → · Palette generator →