#0B193B#0B193B

#0B193B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.069 H 264.6°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#0B193B
RGB	rgb(11, 25, 59)
HSL	hsl(223, 69%, 14%)
HSV	hsv(223, 81%, 23%)
CMYK	cmyk(81.4%, 57.6%, 0%, 76.9%)
CIE-LAB	lab(9.66, 8.21, -23.76)
CIE-LCH	lch(9.66, 25.14, 289.06°)
OKLab	oklab(22.41% -0.0064 -0.0682)
OKLCH	oklch(22.41% 0.069 264.6)
XYZ	xyz(1.2748, 1.0820, 4.2785)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B193B #3B2D0B

analogous

#0B313B #0B193B #150B3B

triadic

#0B193B #3B0B19 #193B0B

tetradic

#0B193B #3B0B31 #3B2D0B #0B3B15

square

#0B193B #3B0B31 #3B2D0B #0B3B15

split-complementary

#0B193B #3B150B #313B0B

monochromatic

#050B1A #050B1A #0B193B #152F6F #1E45A2

Accessibility & contrast

On white

17.26

#0B193B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B193B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B193B

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B193B	#FFFFFF	#000000	##FFFFFF
##0B193B	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061D3C

Deuteranopia (green-blind)

#00193A

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b193b;
/* rgb */ color: rgb(11, 25, 59);
/* oklch */ color: oklch(22.4% 0.069 264.6);

Tailwind

colors: {
  custom: {
    50: '#515571',
    500: '#0b193b',
    950: '#000000',
  },
}

SCSS

$custom: #0b193b;
$custom-light: #515571;
$custom-dark: #000000;

JSON

{
  "hex": "#0b193b",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 59
  },
  "hsl": {
    "h": 222.5,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.22406,
    "c": 0.06852,
    "h": 264.6
  },
  "luminance": 0.01082
}

Semantic roles & 50–950 ramp

primary

#0B193B

secondary

#78612A

accent

#B83CEB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0B193B

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

Preview Lab → · Contrast checker → · Palette generator →