#0B0F37#0B0F37

#0B0F37 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.6% C 0.077 H 272.6°. Best body text is #FFFFFF at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F37
RGB	rgb(11, 15, 55)
HSL	hsl(235, 67%, 13%)
HSV	hsv(235, 80%, 22%)
CMYK	cmyk(80%, 72.7%, 0%, 78.4%)
CIE-LAB	lab(6.22, 13.72, -26.44)
CIE-LCH	lch(6.22, 29.79, 297.43°)
OKLab	oklab(19.6% 0.0035 -0.077)
OKLCH	oklch(19.6% 0.077 272.6)
XYZ	xyz(0.9982, 0.6885, 3.6940)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F37 #37330B

analogous

#0B2537 #0B0F37 #1D0B37

triadic

#0B0F37 #370B0F #0F370B

tetradic

#0B0F37 #370B25 #37330B #0B371D

square

#0B0F37 #370B25 #37330B #0B371D

split-complementary

#0B0F37 #371D0B #25370B

monochromatic

#05071A #05071A #0B0F37 #151D6A #1F2B9D

Accessibility & contrast

On white

18.46

#0B0F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F37

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F37	#FFFFFF	#000000	##FFFFFF
##0B0F37	1.00	18.46	1.14	18.46
#FFFFFF	18.46	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001236

Tritanopia (blue-blind)

#001921

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0f37;
/* rgb */ color: rgb(11, 15, 55);
/* oklch */ color: oklch(19.6% 0.077 272.6);

Tailwind

colors: {
  custom: {
    50: '#514d6e',
    500: '#0b0f37',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f37;
$custom-light: #514d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f37",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 55
  },
  "hsl": {
    "h": 234.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19599,
    "c": 0.0771,
    "h": 272.6
  },
  "luminance": 0.00689
}

Semantic roles & 50–950 ramp

primary

#0B0F37

secondary

#746D2A

accent

#DA3EEA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0F37

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

Preview Lab → · Contrast checker → · Palette generator →