#0B4056#0B4056

#0B4056 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.065 H 231.4°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B4056
RGB	rgb(11, 64, 86)
HSL	hsl(198, 77%, 19%)
HSV	hsv(198, 87%, 34%)
CMYK	cmyk(87.2%, 25.6%, 0%, 66.3%)
CIE-LAB	lab(24.98, -7.95, -17.93)
CIE-LCH	lch(24.98, 19.61, 246.09°)
OKLab	oklab(34.98% -0.0403 -0.0505)
OKLCH	oklch(34.98% 0.065 231.4)
XYZ	xyz(3.6504, 4.4094, 9.4610)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4056 #56210B

analogous

#0B5647 #0B4056 #0B1B56

triadic

#0B4056 #560B40 #40560B

tetradic

#0B4056 #470B56 #56210B #1B560B

square

#0B4056 #470B56 #56210B #1B560B

split-complementary

#0B4056 #560B1B #56470B

monochromatic

#03141B #041820 #0B4056 #12688C #1991C3

Accessibility & contrast

On white

11.16

#0B4056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#0B4056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4056

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4056	#FFFFFF	#000000	##FFFFFF
##0B4056	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353F57

Deuteranopia (green-blind)

#2B3856

Tritanopia (blue-blind)

#004647

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0b4056;
/* rgb */ color: rgb(11, 64, 86);
/* oklch */ color: oklch(35.0% 0.065 231.4);

Tailwind

colors: {
  custom: {
    50: '#597485',
    500: '#0b4056',
    950: '#000000',
  },
}

SCSS

$custom: #0b4056;
$custom-light: #597485;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4056",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 86
  },
  "hsl": {
    "h": 197.6,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34978,
    "c": 0.06465,
    "h": 231.4
  },
  "luminance": 0.0441
}

Semantic roles & 50–950 ramp

primary

#0B4056

secondary

#91492B

accent

#6C34F4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0B4056

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

Preview Lab → · Contrast checker → · Palette generator →