#0B1D4E#0B1D4E

#0B1D4E is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.094 H 265.0°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#0B1D4E
RGB	rgb(11, 29, 78)
HSL	hsl(224, 75%, 17%)
HSV	hsv(224, 86%, 31%)
CMYK	cmyk(85.9%, 62.8%, 0%, 69.4%)
CIE-LAB	lab(12.61, 13.62, -32.27)
CIE-LCH	lch(12.61, 35.03, 292.89°)
OKLab	oklab(25.16% -0.0082 -0.0932)
OKLCH	oklch(25.16% 0.094 265)
XYZ	xyz(1.9520, 1.4997, 7.3928)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1D4E #4E3C0B

analogous

#0B3E4E #0B1D4E #1B0B4E

triadic

#0B1D4E #4E0B1D #1D4E0B

tetradic

#0B1D4E #4E0B3E #4E3C0B #0B4E1B

square

#0B1D4E #4E0B3E #4E3C0B #0B4E1B

split-complementary

#0B1D4E #4E1B0B #3E4E0B

monochromatic

#040A1B #040A1B #0B1D4E #133184 #1A45B9

Accessibility & contrast

On white

16.15

#0B1D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B1D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D4E

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1D4E	#FFFFFF	#000000	##FFFFFF
##0B1D4E	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#001E4D

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b1d4e;
/* rgb */ color: rgb(11, 29, 78);
/* oklch */ color: oklch(25.2% 0.094 265.0);

Tailwind

colors: {
  custom: {
    50: '#575880',
    500: '#0b1d4e',
    950: '#000000',
  },
}

SCSS

$custom: #0b1d4e;
$custom-light: #575880;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1d4e",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 223.881,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.25159,
    "c": 0.09353,
    "h": 265
  },
  "luminance": 0.015
}

Semantic roles & 50–950 ramp

primary

#0B1D4E

secondary

#8A702B

accent

#BF36F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0B1D4E

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

Preview Lab → · Contrast checker → · Palette generator →