#0B0F38#0B0F38

#0B0F38 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.7% C 0.079 H 272.5°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F38
RGB	rgb(11, 15, 56)
HSL	hsl(235, 67%, 13%)
HSV	hsv(235, 80%, 22%)
CMYK	cmyk(80.4%, 73.2%, 0%, 78%)
CIE-LAB	lab(6.31, 14.22, -27.02)
CIE-LCH	lch(6.31, 30.54, 297.76°)
OKLab	oklab(19.71% 0.0035 -0.0787)
OKLCH	oklch(19.71% 0.079 272.5)
XYZ	xyz(1.0224, 0.6982, 3.8215)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F38 #38340B

analogous

#0B2538 #0B0F38 #1D0B38

triadic

#0B0F38 #380B0F #0F380B

tetradic

#0B0F38 #380B25 #38340B #0B381D

square

#0B0F38 #380B25 #38340B #0B381D

split-complementary

#0B0F38 #381D0B #25380B

monochromatic

#05071A #05071A #0B0F38 #151D6B #1F2A9E

Accessibility & contrast

On white

18.43

#0B0F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F38

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F38	#FFFFFF	#000000	##FFFFFF
##0B0F38	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001639

Deuteranopia (green-blind)

#001237

Tritanopia (blue-blind)

#001921

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0f38;
/* rgb */ color: rgb(11, 15, 56);
/* oklch */ color: oklch(19.7% 0.079 272.5);

Tailwind

colors: {
  custom: {
    50: '#514d6f',
    500: '#0b0f38',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f38;
$custom-light: #514d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f38",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 56
  },
  "hsl": {
    "h": 234.667,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19706,
    "c": 0.07874,
    "h": 272.5
  },
  "luminance": 0.00698
}

Semantic roles & 50–950 ramp

primary

#0B0F38

secondary

#756E2A

accent

#DB3EEA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0F38

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

Preview Lab → · Contrast checker → · Palette generator →