#0B1F49#0B1F49

#0B1F49 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.083 H 262.8°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#0B1F49
RGB	rgb(11, 31, 73)
HSL	hsl(221, 74%, 16%)
HSV	hsv(221, 85%, 29%)
CMYK	cmyk(84.9%, 57.5%, 0%, 71.4%)
CIE-LAB	lab(12.81, 9.83, -28.50)
CIE-LCH	lch(12.81, 30.15, 289.04°)
OKLab	oklab(25.17% -0.0104 -0.082)
OKLCH	oklch(25.17% 0.083 262.8)
XYZ	xyz(1.8302, 1.5320, 6.5013)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1F49 #49350B

analogous

#0B3E49 #0B1F49 #160B49

triadic

#0B1F49 #490B1F #1F490B

tetradic

#0B1F49 #490B3E #49350B #0B4916

square

#0B1F49 #490B3E #49350B #0B4916

split-complementary

#0B1F49 #49160B #3E490B

monochromatic

#040B1B #040B1B #0B1F49 #13367E #1B4CB3

Accessibility & contrast

On white

16.07

#0B1F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0B1F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1F49

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1F49	#FFFFFF	#000000	##FFFFFF
##0B1F49	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04244B

Deuteranopia (green-blind)

#001E48

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b1f49;
/* rgb */ color: rgb(11, 31, 73);
/* oklch */ color: oklch(25.2% 0.083 262.8);

Tailwind

colors: {
  custom: {
    50: '#555a7c',
    500: '#0b1f49',
    950: '#000000',
  },
}

SCSS

$custom: #0b1f49;
$custom-light: #555a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1f49",
  "rgb": {
    "r": 11,
    "g": 31,
    "b": 73
  },
  "hsl": {
    "h": 220.645,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25175,
    "c": 0.0827,
    "h": 262.8
  },
  "luminance": 0.01532
}

Semantic roles & 50–950 ramp

primary

#0B1F49

secondary

#85682A

accent

#B537F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1F49

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

Preview Lab → · Contrast checker → · Palette generator →