#0B3541#0B3541

#0B3541 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.049 H 221.2°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#0B3541
RGB	rgb(11, 53, 65)
HSL	hsl(193, 71%, 15%)
HSV	hsv(193, 83%, 25%)
CMYK	cmyk(83.1%, 18.5%, 0%, 74.5%)
CIE-LAB	lab(20.04, -9.37, -11.59)
CIE-LCH	lch(20.04, 14.90, 231.05°)
OKLab	oklab(30.69% -0.0371 -0.0324)
OKLCH	oklch(30.69% 0.049 221.2)
XYZ	xyz(2.3649, 2.9987, 5.4542)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3541 #41170B

analogous

#0B4132 #0B3541 #0B1A41

triadic

#0B3541 #410B35 #35410B

tetradic

#0B3541 #320B41 #41170B #1A410B

square

#0B3541 #320B41 #41170B #1A410B

split-complementary

#0B3541 #410B1A #41320B

monochromatic

#04151A #04151A #0B3541 #146075 #1D8AAA

Accessibility & contrast

On white

13.13

#0B3541 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0B3541 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3541

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3541	#FFFFFF	#000000	##FFFFFF
##0B3541	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3342

Deuteranopia (green-blind)

#262E41

Tritanopia (blue-blind)

#003939

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3541;
/* rgb */ color: rgb(11, 53, 65);
/* oklch */ color: oklch(30.7% 0.049 221.2);

Tailwind

colors: {
  custom: {
    50: '#546c75',
    500: '#0b3541',
    950: '#000000',
  },
}

SCSS

$custom: #0b3541;
$custom-light: #546c75;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3541",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 65
  },
  "hsl": {
    "h": 193.333,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.30687,
    "c": 0.04923,
    "h": 221.2
  },
  "luminance": 0.02999
}

Semantic roles & 50–950 ramp

primary

#0B3541

secondary

#7E3D2A

accent

#623AEE

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B3541

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

Preview Lab → · Contrast checker → · Palette generator →