#0B0433#0B0433

#0B0433 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.087 H 279.5°. Best body text is #FFFFFF at 19.46:1 contrast (WCAG AA passes).

Color values

HEX	#0B0433
RGB	rgb(11, 4, 51)
HSL	hsl(249, 85%, 11%)
HSV	hsv(249, 92%, 20%)
CMYK	cmyk(78.4%, 92.2%, 0%, 80%)
CIE-LAB	lab(3.59, 16.45, -27.74)
CIE-LCH	lch(3.59, 32.25, 300.67°)
OKLab	oklab(16.8% 0.0144 -0.0862)
OKLCH	oklch(16.8% 0.087 279.5)
XYZ	xyz(0.7788, 0.3969, 3.1669)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0433 #2C3304

analogous

#041433 #0B0433 #220433

triadic

#0B0433 #330B04 #04330B

tetradic

#0B0433 #330414 #2C3304 #043322

square

#0B0433 #330414 #2C3304 #043322

split-complementary

#0B0433 #332204 #143304

monochromatic

#06021C #06021C #0B0433 #17086C #230DA4

Accessibility & contrast

On white

19.46

#0B0433 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0433 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0433

19.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0433	#FFFFFF	#000000	##FFFFFF
##0B0433	1.00	19.46	1.08	19.46
#FFFFFF	19.46	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F34

Deuteranopia (green-blind)

#000B32

Tritanopia (blue-blind)

#00111B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0433;
/* rgb */ color: rgb(11, 4, 51);
/* oklch */ color: oklch(16.8% 0.087 279.5);

Tailwind

colors: {
  custom: {
    50: '#4f486b',
    500: '#0b0433',
    950: '#000000',
  },
}

SCSS

$custom: #0b0433;
$custom-light: #4f486b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0433",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 51
  },
  "hsl": {
    "h": 248.936,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.16804,
    "c": 0.08735,
    "h": 279.5
  },
  "luminance": 0.00397
}

Semantic roles & 50–950 ramp

primary

#0B0433

secondary

#68751D

accent

#FC2CDD

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0433

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

Preview Lab → · Contrast checker → · Palette generator →