#0B0F47#0B0F47

#0B0F47 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.102 H 271.0°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F47
RGB	rgb(11, 15, 71)
HSL	hsl(236, 73%, 16%)
HSV	hsv(236, 85%, 28%)
CMYK	cmyk(84.5%, 78.9%, 0%, 72.2%)
CIE-LAB	lab(7.84, 21.14, -35.23)
CIE-LCH	lch(7.84, 41.08, 300.97°)
OKLab	oklab(21.42% 0.0018 -0.102)
OKLCH	oklch(21.42% 0.102 271)
XYZ	xyz(1.4458, 0.8676, 6.0513)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F47 #47430B

analogous

#0B2D47 #0B0F47 #250B47

triadic

#0B0F47 #470B0F #0F470B

tetradic

#0B0F47 #470B2D #47430B #0B4725

square

#0B0F47 #470B2D #47430B #0B4725

split-complementary

#0B0F47 #47250B #2D470B

monochromatic

#04061A #04061A #0B0F47 #131A7C #1B25B1

Accessibility & contrast

On white

17.89

#0B0F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B0F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F47

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F47	#FFFFFF	#000000	##FFFFFF
##0B0F47	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A49

Deuteranopia (green-blind)

#001446

Tritanopia (blue-blind)

#001F29

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b0f47;
/* rgb */ color: rgb(11, 15, 71);
/* oklch */ color: oklch(21.4% 0.102 271.0);

Tailwind

colors: {
  custom: {
    50: '#564d7b',
    500: '#0b0f47',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f47;
$custom-light: #564d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f47",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 71
  },
  "hsl": {
    "h": 236,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21423,
    "c": 0.10199,
    "h": 271
  },
  "luminance": 0.00868
}

Semantic roles & 50–950 ramp

primary

#0B0F47

secondary

#837D2A

accent

#E438F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0B0F47

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

Preview Lab → · Contrast checker → · Palette generator →