#0B192F#0B192F

#0B192F is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.4% C 0.048 H 259.1°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#0B192F
RGB	rgb(11, 25, 47)
HSL	hsl(217, 62%, 11%)
HSV	hsv(217, 77%, 18%)
CMYK	cmyk(76.6%, 46.8%, 0%, 81.6%)
CIE-LAB	lab(8.75, 2.81, -16.52)
CIE-LCH	lch(8.75, 16.76, 279.67°)
OKLab	oklab(21.42% -0.009 -0.047)
OKLCH	oklch(21.42% 0.048 259.1)
XYZ	xyz(0.9985, 0.9716, 2.8237)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B192F #2F210B

analogous

#0B2B2F #0B192F #0F0B2F

triadic

#0B192F #2F0B19 #192F0B

tetradic

#0B192F #2F0B2B #2F210B #0B2F0F

square

#0B192F #2F0B2B #2F210B #0B2F0F

split-complementary

#0B192F #2F0F0B #2B2F0B

monochromatic

#060D19 #060D19 #0B192F #173361 #224E92

Accessibility & contrast

On white

17.58

#0B192F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B192F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B192F

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B192F	#FFFFFF	#000000	##FFFFFF
##0B192F	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1B30

Deuteranopia (green-blind)

#0A172F

Tritanopia (blue-blind)

#001E21

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b192f;
/* rgb */ color: rgb(11, 25, 47);
/* oklch */ color: oklch(21.4% 0.048 259.1);

Tailwind

colors: {
  custom: {
    50: '#4e5567',
    500: '#0b192f',
    950: '#000000',
  },
}

SCSS

$custom: #0b192f;
$custom-light: #4e5567;
$custom-dark: #000000;

JSON

{
  "hex": "#0b192f",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 47
  },
  "hsl": {
    "h": 216.667,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21418,
    "c": 0.04782,
    "h": 259.1
  },
  "luminance": 0.00972
}

Semantic roles & 50–950 ramp

primary

#0B192F

secondary

#6B522A

accent

#A643E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020306

muted

#78787A

Preview Lab

Preview with #0B192F

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

Preview Lab → · Contrast checker → · Palette generator →