#337B78#337B78

#337B78 is a mid, moderate teal. Relative luminance 0.162; OKLCH L 53.7% C 0.072 H 191.5°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#337B78
RGB	rgb(51, 123, 120)
HSL	hsl(178, 41%, 34%)
HSV	hsv(178, 59%, 48%)
CMYK	cmyk(58.5%, 0%, 2.4%, 51.8%)
CIE-LAB	lab(47.27, -23.01, -5.12)
CIE-LCH	lch(47.27, 23.58, 192.55°)
OKLab	oklab(53.68% -0.0701 -0.0142)
OKLCH	oklch(53.68% 0.072 191.5)
XYZ	xyz(11.8369, 16.2246, 20.2735)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B78 #7B3336

analogous

#337B54 #337B78 #335A7B

triadic

#337B78 #78337B #7B7833

tetradic

#337B78 #54337B #7B3336 #5A7B33

square

#337B78 #54337B #7B3336 #5A7B33

split-complementary

#337B78 #7B335A #7B5433

monochromatic

#0F2424 #21504E #337B78 #45A6A2 #68C0BD

Accessibility & contrast

On white

4.95

#337B78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#337B78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B78

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B78	#FFFFFF	#000000	##FFFFFF
##337B78	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747578

Deuteranopia (green-blind)

#686C79

Tritanopia (blue-blind)

#007E7A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #337b78;
/* rgb */ color: rgb(51, 123, 120);
/* oklch */ color: oklch(53.7% 0.072 191.5);

Tailwind

colors: {
  custom: {
    50: '#73a19e',
    500: '#337b78',
    950: '#000000',
  },
}

SCSS

$custom: #337b78;
$custom-light: #73a19e;
$custom-dark: #000000;

JSON

{
  "hex": "#337b78",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 120
  },
  "hsl": {
    "h": 177.5,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.53684,
    "c": 0.07153,
    "h": 191.5
  },
  "luminance": 0.16226
}

Semantic roles & 50–950 ramp

primary

#337B78

secondary

#A86264

accent

#575CD1

background

#F7F9F9

surface

#EDF2F2

border

#C8CCCC

text

#090F0E

muted

#7B7E7E

Preview Lab

Preview with #337B78

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

Preview Lab → · Contrast checker → · Palette generator →