#0B193F#0B193F

#0B193F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.8% C 0.075 H 265.5°. Best body text is #FFFFFF at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#0B193F
RGB	rgb(11, 25, 63)
HSL	hsl(224, 70%, 15%)
HSV	hsv(224, 83%, 25%)
CMYK	cmyk(82.5%, 60.3%, 0%, 75.3%)
CIE-LAB	lab(9.99, 10.01, -26.06)
CIE-LCH	lch(9.99, 27.92, 291.02°)
OKLab	oklab(22.77% -0.0059 -0.075)
OKLCH	oklch(22.77% 0.075 265.5)
XYZ	xyz(1.3825, 1.1251, 4.8460)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B193F #3F310B

analogous

#0B333F #0B193F #170B3F

triadic

#0B193F #3F0B19 #193F0B

tetradic

#0B193F #3F0B33 #3F310B #0B3F17

square

#0B193F #3F0B33 #3F310B #0B3F17

split-complementary

#0B193F #3F170B #333F0B

monochromatic

#050A1A #050A1A #0B193F #142E73 #1D42A7

Accessibility & contrast

On white

17.14

#0B193F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B193F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B193F

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B193F	#FFFFFF	#000000	##FFFFFF
##0B193F	1.00	17.14	1.22	17.14
#FFFFFF	17.14	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021E40

Deuteranopia (green-blind)

#00193E

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b193f;
/* rgb */ color: rgb(11, 25, 63);
/* oklch */ color: oklch(22.8% 0.075 265.5);

Tailwind

colors: {
  custom: {
    50: '#535574',
    500: '#0b193f',
    950: '#000000',
  },
}

SCSS

$custom: #0b193f;
$custom-light: #535574;
$custom-dark: #000000;

JSON

{
  "hex": "#0b193f",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 63
  },
  "hsl": {
    "h": 223.846,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22768,
    "c": 0.07522,
    "h": 265.5
  },
  "luminance": 0.01125
}

Semantic roles & 50–950 ramp

primary

#0B193F

secondary

#7C662A

accent

#BD3BED

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B193F

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

Preview Lab → · Contrast checker → · Palette generator →