#0B3A4A#0B3A4A

#0B3A4A is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.6% C 0.056 H 225.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#0B3A4A
RGB	rgb(11, 58, 74)
HSL	hsl(195, 74%, 17%)
HSV	hsv(195, 85%, 29%)
CMYK	cmyk(85.1%, 21.6%, 0%, 71%)
CIE-LAB	lab(22.27, -8.97, -14.20)
CIE-LCH	lch(22.27, 16.80, 237.74°)
OKLab	oklab(32.62% -0.0388 -0.0398)
OKLCH	oklch(32.62% 0.056 225.8)
XYZ	xyz(2.8866, 3.5913, 7.0183)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3A4A #4A1B0B

analogous

#0B4A3B #0B3A4A #0B1B4A

triadic

#0B3A4A #4A0B3A #3A4A0B

tetradic

#0B3A4A #3B0B4A #4A1B0B #1B4A0B

square

#0B3A4A #3B0B4A #4A1B0B #1B4A0B

split-complementary

#0B3A4A #4A0B1B #4A3B0B

monochromatic

#04151B #04151B #0B3A4A #13647F #1B8EB5

Accessibility & contrast

On white

12.22

#0B3A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#0B3A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3A4A

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3A4A	#FFFFFF	#000000	##FFFFFF
##0B3A4A	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394B

Deuteranopia (green-blind)

#29334A

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3a4a;
/* rgb */ color: rgb(11, 58, 74);
/* oklch */ color: oklch(32.6% 0.056 225.8);

Tailwind

colors: {
  custom: {
    50: '#56707c',
    500: '#0b3a4a',
    950: '#000000',
  },
}

SCSS

$custom: #0b3a4a;
$custom-light: #56707c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3a4a",
  "rgb": {
    "r": 11,
    "g": 58,
    "b": 74
  },
  "hsl": {
    "h": 195.238,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32617,
    "c": 0.05563,
    "h": 225.8
  },
  "luminance": 0.03592
}

Semantic roles & 50–950 ramp

primary

#0B3A4A

secondary

#86422B

accent

#6637F1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3A4A

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

Preview Lab → · Contrast checker → · Palette generator →