#0B1256#0B1256

#0B1256 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.120 H 269.1°. Best body text is #FFFFFF at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B1256
RGB	rgb(11, 18, 86)
HSL	hsl(234, 77%, 19%)
HSV	hsv(234, 87%, 34%)
CMYK	cmyk(87.2%, 79.1%, 0%, 66.3%)
CIE-LAB	lab(10.37, 25.12, -41.40)
CIE-LCH	lch(10.37, 48.42, 301.25°)
OKLab	oklab(23.78% -0.0019 -0.1199)
OKLCH	oklch(23.78% 0.12 269.1)
XYZ	xyz(2.0335, 1.1754, 8.9220)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1256 #564F0B

analogous

#0B3856 #0B1256 #2A0B56

triadic

#0B1256 #560B12 #12560B

tetradic

#0B1256 #560B38 #564F0B #0B562A

square

#0B1256 #560B38 #564F0B #0B562A

split-complementary

#0B1256 #562A0B #38560B

monochromatic

#03061B #040720 #0B1256 #121D8C #1929C3

Accessibility & contrast

On white

17.00

#0B1256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0B1256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1256

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1256	#FFFFFF	#000000	##FFFFFF
##0B1256	1.00	17.00	1.24	17.00
#FFFFFF	17.00	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	17.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001855

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1256;
/* rgb */ color: rgb(11, 18, 86);
/* oklch */ color: oklch(23.8% 0.120 269.1);

Tailwind

colors: {
  custom: {
    50: '#5b5087',
    500: '#0b1256',
    950: '#000000',
  },
}

SCSS

$custom: #0b1256;
$custom-light: #5b5087;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1256",
  "rgb": {
    "r": 11,
    "g": 18,
    "b": 86
  },
  "hsl": {
    "h": 234.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23777,
    "c": 0.11996,
    "h": 269.1
  },
  "luminance": 0.01176
}

Semantic roles & 50–950 ramp

primary

#0B1256

secondary

#91882B

accent

#E234F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0B1256

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

Preview Lab → · Contrast checker → · Palette generator →