#0B0C41#0B0C41

#0B0C41 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.097 H 272.7°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#0B0C41
RGB	rgb(11, 12, 65)
HSL	hsl(239, 71%, 15%)
HSV	hsv(239, 83%, 25%)
CMYK	cmyk(83.1%, 81.5%, 0%, 74.5%)
CIE-LAB	lab(6.46, 20.35, -33.24)
CIE-LCH	lch(6.46, 38.97, 301.47°)
OKLab	oklab(20.15% 0.0046 -0.0967)
OKLCH	oklch(20.15% 0.097 272.7)
XYZ	xyz(1.2233, 0.7156, 5.0737)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.46

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0C41 #41400B

analogous

#0B2741 #0B0C41 #250B41

triadic

#0B0C41 #410B0C #0C410B

tetradic

#0B0C41 #410B27 #41400B #0B4125

square

#0B0C41 #410B27 #41400B #0B4125

split-complementary

#0B0C41 #41250B #27410B

monochromatic

#04051A #04051A #0B0C41 #141675 #1D1FAA

Accessibility & contrast

On white

18.37

#0B0C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0C41

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0C41	#FFFFFF	#000000	##FFFFFF
##0B0C41	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001743

Deuteranopia (green-blind)

#001240

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0c41;
/* rgb */ color: rgb(11, 12, 65);
/* oklch */ color: oklch(20.1% 0.097 272.7);

Tailwind

colors: {
  custom: {
    50: '#544b76',
    500: '#0b0c41',
    950: '#000000',
  },
}

SCSS

$custom: #0b0c41;
$custom-light: #544b76;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0c41",
  "rgb": {
    "r": 11,
    "g": 12,
    "b": 65
  },
  "hsl": {
    "h": 238.889,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.20146,
    "c": 0.09683,
    "h": 272.7
  },
  "luminance": 0.00716
}

Semantic roles & 50–950 ramp

primary

#0B0C41

secondary

#7E7C2A

accent

#EA3AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0C41

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

Preview Lab → · Contrast checker → · Palette generator →