#0B4350#0B4350

#0B4350 is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.5% C 0.059 H 217.7°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B4350
RGB	rgb(11, 67, 80)
HSL	hsl(191, 76%, 18%)
HSV	hsv(191, 86%, 31%)
CMYK	cmyk(86.3%, 16.3%, 0%, 68.6%)
CIE-LAB	lab(25.76, -12.18, -12.80)
CIE-LCH	lch(25.76, 17.67, 226.42°)
OKLab	oklab(35.51% -0.0463 -0.0358)
OKLCH	oklch(35.51% 0.059 217.7)
XYZ	xyz(3.5925, 4.6642, 8.2988)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4350 #50180B

analogous

#0B503A #0B4350 #0B2150

triadic

#0B4350 #500B43 #43500B

tetradic

#0B4350 #3A0B50 #50180B #21500B

square

#0B4350 #3A0B50 #50180B #21500B

split-complementary

#0B4350 #500B21 #503A0B

monochromatic

#04171B #04171B #0B4350 #127086 #1A9DBC

Accessibility & contrast

On white

10.86

#0B4350 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#0B4350 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4350

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4350	#FFFFFF	#000000	##FFFFFF
##0B4350	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4151

Deuteranopia (green-blind)

#313A50

Tritanopia (blue-blind)

#004747

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #0b4350;
/* rgb */ color: rgb(11, 67, 80);
/* oklch */ color: oklch(35.5% 0.059 217.7);

Tailwind

colors: {
  custom: {
    50: '#587781',
    500: '#0b4350',
    950: '#000000',
  },
}

SCSS

$custom: #0b4350;
$custom-light: #587781;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4350",
  "rgb": {
    "r": 11,
    "g": 67,
    "b": 80
  },
  "hsl": {
    "h": 191.304,
    "s": 75.824,
    "l": 17.843
  },
  "oklch": {
    "l": 0.35507,
    "c": 0.05851,
    "h": 217.7
  },
  "luminance": 0.04665
}

Semantic roles & 50–950 ramp

primary

#0B4350

secondary

#8C3D2B

accent

#5935F2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0B4350

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

Preview Lab → · Contrast checker → · Palette generator →