#0B3E40#0B3E40

#0B3E40 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.3% C 0.051 H 198.9°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#0B3E40
RGB	rgb(11, 62, 64)
HSL	hsl(182, 71%, 15%)
HSV	hsv(182, 83%, 25%)
CMYK	cmyk(82.8%, 3.1%, 0%, 74.9%)
CIE-LAB	lab(23.29, -15.20, -5.98)
CIE-LCH	lch(23.29, 16.34, 201.46°)
OKLab	oklab(33.3% -0.0484 -0.0166)
OKLCH	oklch(33.3% 0.051 198.9)
XYZ	xyz(2.7856, 3.8862, 5.4528)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3E40 #400D0B

analogous

#0B4028 #0B3E40 #0B2440

triadic

#0B3E40 #400B3E #3E400B

tetradic

#0B3E40 #280B40 #400D0B #24400B

square

#0B3E40 #280B40 #400D0B #24400B

split-complementary

#0B3E40 #400B24 #40280B

monochromatic

#04191A #04191A #0B3E40 #147174 #1DA3A8

Accessibility & contrast

On white

11.82

#0B3E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0B3E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3E40

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3E40	#FFFFFF	#000000	##FFFFFF
##0B3E40	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393B40

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0b3e40;
/* rgb */ color: rgb(11, 62, 64);
/* oklch */ color: oklch(33.3% 0.051 198.9);

Tailwind

colors: {
  custom: {
    50: '#557374',
    500: '#0b3e40',
    950: '#000000',
  },
}

SCSS

$custom: #0b3e40;
$custom-light: #557374;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3e40",
  "rgb": {
    "r": 11,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 182.264,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33297,
    "c": 0.05115,
    "h": 198.9
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary

#0B3E40

secondary

#7D2D2A

accent

#413AED

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B3E40

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

Preview Lab → · Contrast checker → · Palette generator →