#0B1E4A#0B1E4A

#0B1E4A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.086 H 263.7°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B1E4A
RGB	rgb(11, 30, 74)
HSL	hsl(222, 74%, 17%)
HSV	hsv(222, 85%, 29%)
CMYK	cmyk(85.1%, 59.5%, 0%, 71%)
CIE-LAB	lab(12.57, 11.06, -29.58)
CIE-LCH	lch(12.57, 31.58, 290.50°)
OKLab	oklab(25.02% -0.0094 -0.0852)
OKLCH	oklch(25.02% 0.086 263.7)
XYZ	xyz(1.8379, 1.4939, 6.6687)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1E4A #4A370B

analogous

#0B3E4A #0B1E4A #180B4A

triadic

#0B1E4A #4A0B1E #1E4A0B

tetradic

#0B1E4A #4A0B3E #4A370B #0B4A18

square

#0B1E4A #4A0B3E #4A370B #0B4A18

split-complementary

#0B1E4A #4A180B #3E4A0B

monochromatic

#040B1B #040B1B #0B1E4A #13347F #1B49B5

Accessibility & contrast

On white

16.17

#0B1E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B1E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E4A

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1E4A	#FFFFFF	#000000	##FFFFFF
##0B1E4A	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244C

Deuteranopia (green-blind)

#001E49

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b1e4a;
/* rgb */ color: rgb(11, 30, 74);
/* oklch */ color: oklch(25.0% 0.086 263.7);

Tailwind

colors: {
  custom: {
    50: '#55597d',
    500: '#0b1e4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b1e4a;
$custom-light: #55597d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1e4a",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 74
  },
  "hsl": {
    "h": 221.905,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2502,
    "c": 0.08575,
    "h": 263.7
  },
  "luminance": 0.01494
}

Semantic roles & 50–950 ramp

primary

#0B1E4A

secondary

#866B2B

accent

#B937F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1E4A

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

Preview Lab → · Contrast checker → · Palette generator →