#0B0434#0B0434

#0B0434 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.089 H 279.1°. Best body text is #FFFFFF at 19.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B0434
RGB	rgb(11, 4, 52)
HSL	hsl(249, 86%, 11%)
HSV	hsv(249, 92%, 20%)
CMYK	cmyk(78.8%, 92.3%, 0%, 79.6%)
CIE-LAB	lab(3.67, 17.02, -28.35)
CIE-LCH	lch(3.67, 33.07, 300.97°)
OKLab	oklab(16.94% 0.014 -0.0877)
OKLCH	oklch(16.94% 0.089 279.1)
XYZ	xyz(0.8011, 0.4058, 3.2843)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0434 #2D3404

analogous

#041534 #0B0434 #230434

triadic

#0B0434 #340B04 #04340B

tetradic

#0B0434 #340415 #2D3404 #043423

square

#0B0434 #340415 #2D3404 #043423

split-complementary

#0B0434 #342304 #153404

monochromatic

#06021C #06021C #0B0434 #17086D #230DA6

Accessibility & contrast

On white

19.42

#0B0434 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0434 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0434

19.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0434	#FFFFFF	#000000	##FFFFFF
##0B0434	1.00	19.42	1.08	19.42
#FFFFFF	19.42	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F35

Deuteranopia (green-blind)

#000B33

Tritanopia (blue-blind)

#00121C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0434;
/* rgb */ color: rgb(11, 4, 52);
/* oklch */ color: oklch(16.9% 0.089 279.1);

Tailwind

colors: {
  custom: {
    50: '#4f486c',
    500: '#0b0434',
    950: '#000000',
  },
}

SCSS

$custom: #0b0434;
$custom-light: #4f486c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0434",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 52
  },
  "hsl": {
    "h": 248.75,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.16939,
    "c": 0.08877,
    "h": 279.1
  },
  "luminance": 0.00406
}

Semantic roles & 50–950 ramp

primary

#0B0434

secondary

#69761E

accent

#FC2CDE

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0B0434

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

Preview Lab → · Contrast checker → · Palette generator →