#0B3456#0B3456

#0B3456 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.075 H 248.3°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#0B3456
RGB	rgb(11, 52, 86)
HSL	hsl(207, 77%, 19%)
HSV	hsv(207, 87%, 34%)
CMYK	cmyk(87.2%, 39.5%, 0%, 66.3%)
CIE-LAB	lab(20.82, 0.09, -24.46)
CIE-LCH	lch(20.82, 24.46, 270.20°)
OKLab	oklab(31.68% -0.0278 -0.0697)
OKLCH	oklch(31.68% 0.075 248.3)
XYZ	xyz(3.0451, 3.1986, 9.2592)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3456 #562D0B

analogous

#0B5653 #0B3456 #0B0F56

triadic

#0B3456 #560B34 #34560B

tetradic

#0B3456 #530B56 #562D0B #0F560B

square

#0B3456 #530B56 #562D0B #0F560B

split-complementary

#0B3456 #560B0F #56530B

monochromatic

#03101B #041320 #0B3456 #12558C #1976C3

Accessibility & contrast

On white

12.81

#0B3456 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0B3456 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3456

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3456	#FFFFFF	#000000	##FFFFFF
##0B3456	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243657

Deuteranopia (green-blind)

#192F55

Tritanopia (blue-blind)

#003C40

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0b3456;
/* rgb */ color: rgb(11, 52, 86);
/* oklch */ color: oklch(31.7% 0.075 248.3);

Tailwind

colors: {
  custom: {
    50: '#586b86',
    500: '#0b3456',
    950: '#000000',
  },
}

SCSS

$custom: #0b3456;
$custom-light: #586b86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3456",
  "rgb": {
    "r": 11,
    "g": 52,
    "b": 86
  },
  "hsl": {
    "h": 207.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31683,
    "c": 0.07505,
    "h": 248.3
  },
  "luminance": 0.03199
}

Semantic roles & 50–950 ramp

primary

#0B3456

secondary

#915A2B

accent

#8B34F4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0B3456

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

Preview Lab → · Contrast checker → · Palette generator →