#0B1024#0B1024

#0B1024 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.0% C 0.042 H 271.1°. Best body text is #FFFFFF at 18.85:1 contrast (WCAG AA passes).

Color values

HEX	#0B1024
RGB	rgb(11, 16, 36)
HSL	hsl(228, 53%, 9%)
HSV	hsv(228, 69%, 14%)
CMYK	cmyk(69.4%, 55.6%, 0%, 85.9%)
CIE-LAB	lab(5.14, 4.12, -13.97)
CIE-LCH	lch(5.14, 14.57, 286.45°)
OKLab	oklab(18.04% 0.0008 -0.0418)
OKLCH	oklch(18.04% 0.042 271.1)
XYZ	xyz(0.6416, 0.5691, 1.7448)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1024 #241F0B

analogous

#0B1D24 #0B1024 #130B24

triadic

#0B1024 #240B10 #10240B

tetradic

#0B1024 #240B1D #241F0B #0B2413

square

#0B1024 #240B1D #241F0B #0B2413

split-complementary

#0B1024 #24130B #1D240B

monochromatic

#070A17 #070A17 #0B1024 #192553 #283A82

Accessibility & contrast

On white

18.85

#0B1024 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B1024 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1024

18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1024	#FFFFFF	#000000	##FFFFFF
##0B1024	1.00	18.85	1.11	18.85
#FFFFFF	18.85	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081225

Deuteranopia (green-blind)

#051024

Tritanopia (blue-blind)

#021418

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b1024;
/* rgb */ color: rgb(11, 16, 36);
/* oklch */ color: oklch(18.0% 0.042 271.1);

Tailwind

colors: {
  custom: {
    50: '#4c4e5e',
    500: '#0b1024',
    950: '#000000',
  },
}

SCSS

$custom: #0b1024;
$custom-light: #4c4e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1024",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 36
  },
  "hsl": {
    "h": 228,
    "s": 53.191,
    "l": 9.216
  },
  "oklch": {
    "l": 0.18044,
    "c": 0.0418,
    "h": 271.1
  },
  "luminance": 0.00569
}

Semantic roles & 50–950 ramp

primary

#0B1024

secondary

#5F552C

accent

#C04BDD

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010104

muted

#777779

Preview Lab

Preview with #0B1024

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

Preview Lab → · Contrast checker → · Palette generator →