#337D81#337D81

#337D81 is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.5% C 0.073 H 200.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#337D81
RGB	rgb(51, 125, 129)
HSL	hsl(183, 43%, 35%)
HSV	hsv(183, 60%, 51%)
CMYK	cmyk(60.5%, 3.1%, 0%, 49.4%)
CIE-LAB	lab(48.20, -21.39, -9.05)
CIE-LCH	lch(48.20, 23.23, 202.94°)
OKLab	oklab(54.54% -0.0683 -0.025)
OKLCH	oklch(54.54% 0.073 200.2)
XYZ	xyz(12.6596, 16.9547, 23.3700)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337D81 #813733

analogous

#33815E #337D81 #335681

triadic

#337D81 #81337D #7D8133

tetradic

#337D81 #5E3381 #813733 #568133

square

#337D81 #5E3381 #813733 #568133

split-complementary

#337D81 #813356 #815E33

monochromatic

#102829 #225255 #337D81 #44A7AD #6AC0C4

Accessibility & contrast

On white

4.78

#337D81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#337D81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337D81

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337D81	#FFFFFF	#000000	##FFFFFF
##337D81	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747881

Deuteranopia (green-blind)

#686F81

Tritanopia (blue-blind)

#00817E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #337d81;
/* rgb */ color: rgb(51, 125, 129);
/* oklch */ color: oklch(54.5% 0.073 200.2);

Tailwind

colors: {
  custom: {
    50: '#74a3a5',
    500: '#337d81',
    950: '#000000',
  },
}

SCSS

$custom: #337d81;
$custom-light: #74a3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#337d81",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 129
  },
  "hsl": {
    "h": 183.077,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.54537,
    "c": 0.07271,
    "h": 200.2
  },
  "luminance": 0.16956
}

Semantic roles & 50–950 ramp

primary

#337D81

secondary

#AC6764

accent

#5B55D3

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F0F

muted

#7B7F7F

Preview Lab

Preview with #337D81

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

Preview Lab → · Contrast checker → · Palette generator →