#0B3A47#0B3A47

#0B3A47 is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.5% C 0.053 H 220.8°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A47
RGB	rgb(11, 58, 71)
HSL	hsl(193, 73%, 16%)
HSV	hsv(193, 85%, 28%)
CMYK	cmyk(84.5%, 18.3%, 0%, 72.2%)
CIE-LAB	lab(22.13, -10.16, -12.42)
CIE-LCH	lch(22.13, 16.04, 230.71°)
OKLab	oklab(32.46% -0.0402 -0.0347)
OKLCH	oklch(32.46% 0.053 220.8)
XYZ	xyz(2.7879, 3.5519, 6.4987)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A47 #47180B

analogous

#0B4736 #0B3A47 #0B1C47

triadic

#0B3A47 #470B3A #3A470B

tetradic

#0B3A47 #360B47 #47180B #1C470B

square

#0B3A47 #360B47 #47180B #1C470B

split-complementary

#0B3A47 #470B1C #47360B

monochromatic

#04161A #04161A #0B3A47 #13657C #1B91B1

Accessibility & contrast

On white

12.28

#0B3A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#0B3A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A47

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A47	#FFFFFF	#000000	##FFFFFF
##0B3A47	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323848

Deuteranopia (green-blind)

#2A3247

Tritanopia (blue-blind)

#003E3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3a47;
/* rgb */ color: rgb(11, 58, 71);
/* oklch */ color: oklch(32.5% 0.053 220.8);

Tailwind

colors: {
  custom: {
    50: '#55707a',
    500: '#0b3a47',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a47;
$custom-light: #55707a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a47",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 193,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32458,
    "c": 0.05312,
    "h": 220.8
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#0B3A47

secondary

#833E2A

accent

#6038F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3A47

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

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