#0B0C4C#0B0C4C

#0B0C4C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.113 H 271.2°. Best body text is #FFFFFF at 17.93:1 contrast (WCAG AA passes).

Color values

HEX	#0B0C4C
RGB	rgb(11, 12, 76)
HSL	hsl(239, 75%, 17%)
HSV	hsv(239, 86%, 30%)
CMYK	cmyk(85.5%, 84.2%, 0%, 70.2%)
CIE-LAB	lab(7.73, 25.15, -38.89)
CIE-LCH	lch(7.73, 46.32, 302.89°)
OKLab	oklab(21.53% 0.0024 -0.1126)
OKLCH	oklch(21.53% 0.113 271.2)
XYZ	xyz(1.5735, 0.8557, 6.9183)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0C4C #4C4B0B

analogous

#0B2D4C #0B0C4C #2B0B4C

triadic

#0B0C4C #4C0B0C #0C4C0B

tetradic

#0B0C4C #4C0B2D #4C4B0B #0B4C2B

square

#0B0C4C #4C0B2D #4C4B0B #0B4C2B

split-complementary

#0B0C4C #4C2B0B #2D4C0B

monochromatic

#04041B #04041B #0B0C4C #131481 #1A1DB7

Accessibility & contrast

On white

17.93

#0B0C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B0C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0C4C

17.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0C4C	#FFFFFF	#000000	##FFFFFF
##0B0C4C	1.00	17.93	1.17	17.93
#FFFFFF	17.93	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4E

Deuteranopia (green-blind)

#00144B

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b0c4c;
/* rgb */ color: rgb(11, 12, 76);
/* oklch */ color: oklch(21.5% 0.113 271.2);

Tailwind

colors: {
  custom: {
    50: '#584b7f',
    500: '#0b0c4c',
    950: '#000000',
  },
}

SCSS

$custom: #0b0c4c;
$custom-light: #584b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0c4c",
  "rgb": {
    "r": 11,
    "g": 12,
    "b": 76
  },
  "hsl": {
    "h": 239.077,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.21528,
    "c": 0.11266,
    "h": 271.2
  },
  "luminance": 0.00856
}

Semantic roles & 50–950 ramp

primary

#0B0C4C

secondary

#88872B

accent

#EE36F1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0B0C4C

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

Preview Lab → · Contrast checker → · Palette generator →