#0B1E48#0B1E48

#0B1E48 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.083 H 263.3°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#0B1E48
RGB	rgb(11, 30, 72)
HSL	hsl(221, 73%, 16%)
HSV	hsv(221, 85%, 28%)
CMYK	cmyk(84.7%, 58.3%, 0%, 71.8%)
CIE-LAB	lab(12.40, 10.16, -28.47)
CIE-LCH	lch(12.40, 30.23, 289.64°)
OKLab	oklab(24.84% -0.0096 -0.082)
OKLCH	oklch(24.84% 0.083 263.3)
XYZ	xyz(1.7716, 1.4674, 6.3195)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1E48 #48350B

analogous

#0B3D48 #0B1E48 #170B48

triadic

#0B1E48 #480B1E #1E480B

tetradic

#0B1E48 #480B3D #48350B #0B4817

square

#0B1E48 #480B3D #48350B #0B4817

split-complementary

#0B1E48 #48170B #3D480B

monochromatic

#040B1B #040B1B #0B1E48 #13347D #1B4AB2

Accessibility & contrast

On white

16.23

#0B1E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B1E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E48

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1E48	#FFFFFF	#000000	##FFFFFF
##0B1E48	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032349

Deuteranopia (green-blind)

#001E47

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b1e48;
/* rgb */ color: rgb(11, 30, 72);
/* oklch */ color: oklch(24.8% 0.083 263.3);

Tailwind

colors: {
  custom: {
    50: '#55597b',
    500: '#0b1e48',
    950: '#000000',
  },
}

SCSS

$custom: #0b1e48;
$custom-light: #55597b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1e48",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 72
  },
  "hsl": {
    "h": 221.311,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24837,
    "c": 0.08254,
    "h": 263.3
  },
  "luminance": 0.01468
}

Semantic roles & 50–950 ramp

primary

#0B1E48

secondary

#84682A

accent

#B738F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1E48

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

Preview Lab → · Contrast checker → · Palette generator →