#0B0F3D#0B0F3D

#0B0F3D is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.087 H 272.0°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F3D
RGB	rgb(11, 15, 61)
HSL	hsl(235, 69%, 14%)
HSV	hsv(235, 82%, 24%)
CMYK	cmyk(82%, 75.4%, 0%, 76.1%)
CIE-LAB	lab(6.77, 16.66, -29.88)
CIE-LCH	lch(6.77, 34.21, 299.15°)
OKLab	oklab(20.26% 0.0031 -0.0867)
OKLCH	oklch(20.26% 0.087 272)
XYZ	xyz(1.1509, 0.7496, 4.4980)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F3D #3D390B

analogous

#0B283D #0B0F3D #200B3D

triadic

#0B0F3D #3D0B0F #0F3D0B

tetradic

#0B0F3D #3D0B28 #3D390B #0B3D20

square

#0B0F3D #3D0B28 #3D390B #0B3D20

split-complementary

#0B0F3D #3D200B #283D0B

monochromatic

#05061A #05061A #0B0F3D #141C71 #1E29A5

Accessibility & contrast

On white

18.26

#0B0F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B0F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F3D

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F3D	#FFFFFF	#000000	##FFFFFF
##0B0F3D	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173E

Deuteranopia (green-blind)

#00133C

Tritanopia (blue-blind)

#001B24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b0f3d;
/* rgb */ color: rgb(11, 15, 61);
/* oklch */ color: oklch(20.3% 0.087 272.0);

Tailwind

colors: {
  custom: {
    50: '#534d73',
    500: '#0b0f3d',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f3d;
$custom-light: #534d73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f3d",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 61
  },
  "hsl": {
    "h": 235.2,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20259,
    "c": 0.08675,
    "h": 272
  },
  "luminance": 0.0075
}

Semantic roles & 50–950 ramp

primary

#0B0F3D

secondary

#7A732A

accent

#DE3CEC

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0F3D

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

Preview Lab → · Contrast checker → · Palette generator →