#0B0441#0B0441

#0B0441 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.7% C 0.107 H 274.9°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#0B0441
RGB	rgb(11, 4, 65)
HSL	hsl(247, 88%, 14%)
HSV	hsv(247, 94%, 25%)
CMYK	cmyk(83.1%, 93.8%, 0%, 74.5%)
CIE-LAB	lab(4.87, 24.32, -35.84)
CIE-LCH	lch(4.87, 43.31, 304.16°)
OKLab	oklab(18.74% 0.0092 -0.1062)
OKLCH	oklch(18.74% 0.107 274.9)
XYZ	xyz(1.1352, 0.5395, 5.0443)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 1.85

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0441 #3A4104

analogous

#041B41 #0B0441 #290441

triadic

#0B0441 #410B04 #04410B

tetradic

#0B0441 #41041B #3A4104 #044129

square

#0B0441 #41041B #3A4104 #044129

split-complementary

#0B0441 #412904 #1B4104

monochromatic

#05021D #05021D #0B0441 #15087B #1F0BB4

Accessibility & contrast

On white

18.95

#0B0441 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0441 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0441

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0441	#FFFFFF	#000000	##FFFFFF
##0B0441	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001343

Deuteranopia (green-blind)

#000E40

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0441;
/* rgb */ color: rgb(11, 4, 65);
/* oklch */ color: oklch(18.7% 0.107 274.9);

Tailwind

colors: {
  custom: {
    50: '#554776',
    500: '#0b0441',
    950: '#000000',
  },
}

SCSS

$custom: #0b0441;
$custom-light: #554776;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0441",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 65
  },
  "hsl": {
    "h": 246.885,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18739,
    "c": 0.10662,
    "h": 274.9
  },
  "luminance": 0.0054
}

Semantic roles & 50–950 ramp

primary

#0B0441

secondary

#77821F

accent

#FF29E6

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B0441

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

Preview Lab → · Contrast checker → · Palette generator →