#0B1D48#0B1D48

#0B1D48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.084 H 264.1°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#0B1D48
RGB	rgb(11, 29, 72)
HSL	hsl(222, 73%, 16%)
HSV	hsv(222, 85%, 28%)
CMYK	cmyk(84.7%, 59.7%, 0%, 71.8%)
CIE-LAB	lab(12.07, 10.94, -29.00)
CIE-LCH	lch(12.07, 30.99, 290.66°)
OKLab	oklab(24.59% -0.0087 -0.0835)
OKLCH	oklch(24.59% 0.084 264.1)
XYZ	xyz(1.7467, 1.4176, 6.3112)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1D48 #48360B

analogous

#0B3C48 #0B1D48 #180B48

triadic

#0B1D48 #480B1D #1D480B

tetradic

#0B1D48 #480B3C #48360B #0B4818

square

#0B1D48 #480B3C #48360B #0B4818

split-complementary

#0B1D48 #48180B #3C480B

monochromatic

#040B1B #040B1B #0B1D48 #13327D #1B48B2

Accessibility & contrast

On white

16.36

#0B1D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0B1D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D48

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1D48	#FFFFFF	#000000	##FFFFFF
##0B1D48	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01234A

Deuteranopia (green-blind)

#001D47

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b1d48;
/* rgb */ color: rgb(11, 29, 72);
/* oklch */ color: oklch(24.6% 0.084 264.1);

Tailwind

colors: {
  custom: {
    50: '#55587b',
    500: '#0b1d48',
    950: '#000000',
  },
}

SCSS

$custom: #0b1d48;
$custom-light: #55587b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1d48",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 72
  },
  "hsl": {
    "h": 222.295,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2459,
    "c": 0.084,
    "h": 264.1
  },
  "luminance": 0.01418
}

Semantic roles & 50–950 ramp

primary

#0B1D48

secondary

#846A2A

accent

#BA38F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1D48

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

Preview Lab → · Contrast checker → · Palette generator →