#0B1E4C#0B1E4C

#0B1E4C is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.089 H 264.1°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#0B1E4C
RGB	rgb(11, 30, 76)
HSL	hsl(222, 75%, 17%)
HSV	hsv(222, 86%, 30%)
CMYK	cmyk(85.5%, 60.5%, 0%, 70.2%)
CIE-LAB	lab(12.74, 11.96, -30.68)
CIE-LCH	lch(12.74, 32.92, 291.30°)
OKLab	oklab(25.21% -0.0092 -0.0885)
OKLCH	oklch(25.21% 0.089 264.1)
XYZ	xyz(1.9063, 1.5213, 7.0292)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1E4C #4C390B

analogous

#0B3F4C #0B1E4C #190B4C

triadic

#0B1E4C #4C0B1E #1E4C0B

tetradic

#0B1E4C #4C0B3F #4C390B #0B4C19

square

#0B1E4C #4C0B3F #4C390B #0B4C19

split-complementary

#0B1E4C #4C190B #3F4C0B

monochromatic

#040B1B #040B1B #0B1E4C #133381 #1A48B7

Accessibility & contrast

On white

16.10

#0B1E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B1E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E4C

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1E4C	#FFFFFF	#000000	##FFFFFF
##0B1E4C	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#001E4B

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b1e4c;
/* rgb */ color: rgb(11, 30, 76);
/* oklch */ color: oklch(25.2% 0.089 264.1);

Tailwind

colors: {
  custom: {
    50: '#56597e',
    500: '#0b1e4c',
    950: '#000000',
  },
}

SCSS

$custom: #0b1e4c;
$custom-light: #56597e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1e4c",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 76
  },
  "hsl": {
    "h": 222.462,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25206,
    "c": 0.08894,
    "h": 264.1
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#0B1E4C

secondary

#886D2B

accent

#BB36F1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #0B1E4C

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

Preview Lab → · Contrast checker → · Palette generator →