#0B102F#0B102F

#0B102F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.0% C 0.062 H 272.2°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#0B102F
RGB	rgb(11, 16, 47)
HSL	hsl(232, 62%, 11%)
HSV	hsv(232, 77%, 18%)
CMYK	cmyk(76.6%, 66%, 0%, 81.6%)
CIE-LAB	lab(5.84, 9.07, -21.16)
CIE-LCH	lch(5.84, 23.02, 293.20°)
OKLab	oklab(19.02% 0.0024 -0.0619)
OKLCH	oklch(19.02% 0.062 272.2)
XYZ	xyz(0.8362, 0.6469, 2.7696)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B102F #2F2A0B

analogous

#0B222F #0B102F #180B2F

triadic

#0B102F #2F0B10 #102F0B

tetradic

#0B102F #2F0B22 #2F2A0B #0B2F18

square

#0B102F #2F0B22 #2F2A0B #0B2F18

split-complementary

#0B102F #2F180B #222F0B

monochromatic

#060819 #060819 #0B102F #172161 #223292

Accessibility & contrast

On white

18.59

#0B102F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0B102F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B102F

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B102F	#FFFFFF	#000000	##FFFFFF
##0B102F	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001530

Deuteranopia (green-blind)

#00112E

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0b102f;
/* rgb */ color: rgb(11, 16, 47);
/* oklch */ color: oklch(19.0% 0.062 272.2);

Tailwind

colors: {
  custom: {
    50: '#4e4e68',
    500: '#0b102f',
    950: '#000000',
  },
}

SCSS

$custom: #0b102f;
$custom-light: #4e4e68;
$custom-dark: #000000;

JSON

{
  "hex": "#0b102f",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 47
  },
  "hsl": {
    "h": 231.667,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.1902,
    "c": 0.06194,
    "h": 272.2
  },
  "luminance": 0.00647
}

Semantic roles & 50–950 ramp

primary

#0B102F

secondary

#6B622A

accent

#CF43E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B102F

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

Preview Lab → · Contrast checker → · Palette generator →