#0B0535#0B0535

#0B0535 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.3% C 0.089 H 278.2°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#0B0535
RGB	rgb(11, 5, 53)
HSL	hsl(248, 83%, 11%)
HSV	hsv(248, 91%, 21%)
CMYK	cmyk(79.2%, 90.6%, 0%, 79.2%)
CIE-LAB	lab(3.94, 17.19, -28.64)
CIE-LCH	lch(3.94, 33.40, 300.97°)
OKLab	oklab(17.3% 0.0127 -0.0876)
OKLCH	oklch(17.3% 0.089 278.2)
XYZ	xyz(0.8347, 0.4367, 3.4078)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0535 #2F3505

analogous

#051735 #0B0535 #230535

triadic

#0B0535 #350B05 #05350B

tetradic

#0B0535 #350517 #2F3505 #053523

square

#0B0535 #350517 #2F3505 #053523

split-complementary

#0B0535 #352305 #173505

monochromatic

#06031C #06031C #0B0535 #170A6D #2210A5

Accessibility & contrast

On white

19.31

#0B0535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0B0535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0535

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0535	#FFFFFF	#000000	##FFFFFF
##0B0535	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001036

Deuteranopia (green-blind)

#000C34

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0b0535;
/* rgb */ color: rgb(11, 5, 53);
/* oklch */ color: oklch(17.3% 0.089 278.2);

Tailwind

colors: {
  custom: {
    50: '#50486d',
    500: '#0b0535',
    950: '#000000',
  },
}

SCSS

$custom: #0b0535;
$custom-light: #50486d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0535",
  "rgb": {
    "r": 11,
    "g": 5,
    "b": 53
  },
  "hsl": {
    "h": 247.5,
    "s": 82.759,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17296,
    "c": 0.08855,
    "h": 278.2
  },
  "luminance": 0.00437
}

Semantic roles & 50–950 ramp

primary

#0B0535

secondary

#6B7620

accent

#F92FE0

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0535

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

Preview Lab → · Contrast checker → · Palette generator →