#0B0B4C#0B0B4C

#0B0B4C is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.4% C 0.114 H 271.4°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B4C
RGB	rgb(11, 11, 76)
HSL	hsl(240, 75%, 17%)
HSV	hsv(240, 86%, 30%)
CMYK	cmyk(85.5%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(7.52, 25.75, -39.25)
CIE-LCH	lch(7.52, 46.94, 303.27°)
OKLab	oklab(21.37% 0.0028 -0.1137)
OKLCH	oklch(21.37% 0.114 271.4)
XYZ	xyz(1.5617, 0.8321, 6.9144)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B4C #4C4C0B

analogous

#0B2C4C #0B0B4C #2C0B4C

triadic

#0B0B4C #4C0B0B #0B4C0B

tetradic

#0B0B4C #4C0B2C #4C4C0B #0B4C2C

square

#0B0B4C #4C0B2C #4C4C0B #0B4C2C

split-complementary

#0B0B4C #4C2C0B #2C4C0B

monochromatic

#04041B #04041B #0B0B4C #131381 #1A1AB7

Accessibility & contrast

On white

18.00

#0B0B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B0B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B4C

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B4C	#FFFFFF	#000000	##FFFFFF
##0B0B4C	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4E

Deuteranopia (green-blind)

#00134B

Tritanopia (blue-blind)

#001F2B

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b0b4c;
/* rgb */ color: rgb(11, 11, 76);
/* oklch */ color: oklch(21.4% 0.114 271.4);

Tailwind

colors: {
  custom: {
    50: '#584b7f',
    500: '#0b0b4c',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b4c;
$custom-light: #584b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b4c",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 240,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.21373,
    "c": 0.1137,
    "h": 271.4
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#0B0B4C

secondary

#88882B

accent

#F136F1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0B0B4C

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

Preview Lab → · Contrast checker → · Palette generator →