#0B0838#0B0838

#0B0838 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.088 H 276.0°. Best body text is #FFFFFF at 18.99:1 contrast (WCAG AA passes).

Color values

HEX	#0B0838
RGB	rgb(11, 8, 56)
HSL	hsl(244, 75%, 13%)
HSV	hsv(244, 86%, 22%)
CMYK	cmyk(80.4%, 85.7%, 0%, 78%)
CIE-LAB	lab(4.79, 17.65, -29.48)
CIE-LCH	lch(4.79, 34.36, 300.91°)
OKLab	oklab(18.3% 0.0093 -0.088)
OKLCH	oklch(18.3% 0.088 276)
XYZ	xyz(0.9384, 0.5303, 3.7935)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0838 #353808

analogous

#081D38 #0B0838 #230838

triadic

#0B0838 #380B08 #08380B

tetradic

#0B0838 #38081D #353808 #083823

square

#0B0838 #38081D #353808 #083823

split-complementary

#0B0838 #382308 #1D3808

monochromatic

#05041B #05041B #0B0838 #16106E #2017A3

Accessibility & contrast

On white

18.99

#0B0838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0838

18.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0838	#FFFFFF	#000000	##FFFFFF
##0B0838	1.00	18.99	1.11	18.99
#FFFFFF	18.99	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#000E37

Tritanopia (blue-blind)

#00161F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b0838;
/* rgb */ color: rgb(11, 8, 56);
/* oklch */ color: oklch(18.3% 0.088 276.0);

Tailwind

colors: {
  custom: {
    50: '#51496f',
    500: '#0b0838',
    950: '#000000',
  },
}

SCSS

$custom: #0b0838;
$custom-light: #51496f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0838",
  "rgb": {
    "r": 11,
    "g": 8,
    "b": 56
  },
  "hsl": {
    "h": 243.75,
    "s": 75,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18302,
    "c": 0.08849,
    "h": 276
  },
  "luminance": 0.0053
}

Semantic roles & 50–950 ramp

primary

#0B0838

secondary

#727725

accent

#F236E6

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0838

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

Preview Lab → · Contrast checker → · Palette generator →