#0B0F41#0B0F41

#0B0F41 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.093 H 271.6°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F41
RGB	rgb(11, 15, 65)
HSL	hsl(236, 71%, 15%)
HSV	hsv(236, 83%, 25%)
CMYK	cmyk(83.1%, 76.9%, 0%, 74.5%)
CIE-LAB	lab(7.17, 18.52, -32.08)
CIE-LCH	lch(7.17, 37.04, 300.01°)
OKLab	oklab(20.72% 0.0027 -0.0929)
OKLCH	oklch(20.72% 0.093 271.6)
XYZ	xyz(1.2626, 0.7943, 5.0868)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.99

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F41 #413D0B

analogous

#0B2A41 #0B0F41 #220B41

triadic

#0B0F41 #410B0F #0F410B

tetradic

#0B0F41 #410B2A #413D0B #0B4122

square

#0B0F41 #410B2A #413D0B #0B4122

split-complementary

#0B0F41 #41220B #2A410B

monochromatic

#04061A #04061A #0B0F41 #141B75 #1D27AA

Accessibility & contrast

On white

18.12

#0B0F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B0F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F41

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F41	#FFFFFF	#000000	##FFFFFF
##0B0F41	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001340

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b0f41;
/* rgb */ color: rgb(11, 15, 65);
/* oklch */ color: oklch(20.7% 0.093 271.6);

Tailwind

colors: {
  custom: {
    50: '#544d76',
    500: '#0b0f41',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f41;
$custom-light: #544d76;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f41",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 65
  },
  "hsl": {
    "h": 235.556,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.20716,
    "c": 0.09296,
    "h": 271.6
  },
  "luminance": 0.00794
}

Semantic roles & 50–950 ramp

primary

#0B0F41

secondary

#7E772A

accent

#E03AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0F41

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

Preview Lab → · Contrast checker → · Palette generator →