#0B1A56#0B1A56

#0B1A56 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.110 H 266.9°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#0B1A56
RGB	rgb(11, 26, 86)
HSL	hsl(228, 77%, 19%)
HSV	hsv(228, 87%, 34%)
CMYK	cmyk(87.2%, 69.8%, 0%, 66.3%)
CIE-LAB	lab(12.49, 19.40, -37.91)
CIE-LCH	lch(12.49, 42.59, 297.10°)
OKLab	oklab(25.31% -0.006 -0.1098)
OKLCH	oklch(25.31% 0.11 266.9)
XYZ	xyz(2.1865, 1.4816, 8.9730)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1A56 #56470B

analogous

#0B4056 #0B1A56 #220B56

triadic

#0B1A56 #560B1A #1A560B

tetradic

#0B1A56 #560B40 #56470B #0B5622

square

#0B1A56 #560B40 #56470B #0B5622

split-complementary

#0B1A56 #56220B #40560B

monochromatic

#03081B #040A20 #0B1A56 #122A8C #193BC3

Accessibility & contrast

On white

16.20

#0B1A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B1A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1A56

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1A56	#FFFFFF	#000000	##FFFFFF
##0B1A56	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002458

Deuteranopia (green-blind)

#001D55

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b1a56;
/* rgb */ color: rgb(11, 26, 86);
/* oklch */ color: oklch(25.3% 0.110 266.9);

Tailwind

colors: {
  custom: {
    50: '#5a5686',
    500: '#0b1a56',
    950: '#000000',
  },
}

SCSS

$custom: #0b1a56;
$custom-light: #5a5686;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1a56",
  "rgb": {
    "r": 11,
    "g": 26,
    "b": 86
  },
  "hsl": {
    "h": 228,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25314,
    "c": 0.10992,
    "h": 266.9
  },
  "luminance": 0.01482
}

Semantic roles & 50–950 ramp

primary

#0B1A56

secondary

#917D2B

accent

#CD34F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0B1A56

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

Preview Lab → · Contrast checker → · Palette generator →