#0B1356#0B1356

#0B1356 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.119 H 268.9°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#0B1356
RGB	rgb(11, 19, 86)
HSL	hsl(234, 77%, 19%)
HSV	hsv(234, 87%, 34%)
CMYK	cmyk(87.2%, 77.9%, 0%, 66.3%)
CIE-LAB	lab(10.62, 24.44, -40.99)
CIE-LCH	lch(10.62, 47.72, 300.80°)
OKLab	oklab(23.95% -0.0023 -0.1188)
OKLCH	oklch(23.95% 0.119 268.9)
XYZ	xyz(2.0500, 1.2085, 8.9275)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1356 #564E0B

analogous

#0B3956 #0B1356 #290B56

triadic

#0B1356 #560B13 #13560B

tetradic

#0B1356 #560B39 #564E0B #0B5629

square

#0B1356 #560B39 #564E0B #0B5629

split-complementary

#0B1356 #56290B #39560B

monochromatic

#03061B #040720 #0B1356 #121F8C #192BC3

Accessibility & contrast

On white

16.91

#0B1356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0B1356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1356

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1356	#FFFFFF	#000000	##FFFFFF
##0B1356	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001955

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0b1356;
/* rgb */ color: rgb(11, 19, 86);
/* oklch */ color: oklch(24.0% 0.119 268.9);

Tailwind

colors: {
  custom: {
    50: '#5a5186',
    500: '#0b1356',
    950: '#000000',
  },
}

SCSS

$custom: #0b1356;
$custom-light: #5a5186;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1356",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 86
  },
  "hsl": {
    "h": 233.6,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23953,
    "c": 0.11878,
    "h": 268.9
  },
  "luminance": 0.01209
}

Semantic roles & 50–950 ramp

primary

#0B1356

secondary

#91872B

accent

#DF34F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0B1356

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

Preview Lab → · Contrast checker → · Palette generator →