#337B81#337B81

#337B81 is a mid, moderate teal. Relative luminance 0.165; OKLCH L 54.0% C 0.072 H 202.8°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#337B81
RGB	rgb(51, 123, 129)
HSL	hsl(185, 43%, 35%)
HSV	hsv(185, 60%, 51%)
CMYK	cmyk(60.5%, 4.7%, 0%, 49.4%)
CIE-LAB	lab(47.56, -20.33, -10.01)
CIE-LCH	lch(47.56, 22.66, 206.22°)
OKLab	oklab(54.02% -0.0659 -0.0277)
OKLCH	oklch(54.02% 0.072 202.8)
XYZ	xyz(12.4090, 16.4534, 23.2865)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B81 #813933

analogous

#338160 #337B81 #335481

triadic

#337B81 #81337B #7B8133

tetradic

#337B81 #603381 #813933 #548133

square

#337B81 #603381 #813933 #548133

split-complementary

#337B81 #813354 #816033

monochromatic

#102729 #225155 #337B81 #44A5AD #6ABDC4

Accessibility & contrast

On white

4.89

#337B81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#337B81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B81

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B81	#FFFFFF	#000000	##FFFFFF
##337B81	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727681

Deuteranopia (green-blind)

#666D81

Tritanopia (blue-blind)

#00807D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #337b81;
/* rgb */ color: rgb(51, 123, 129);
/* oklch */ color: oklch(54.0% 0.072 202.8);

Tailwind

colors: {
  custom: {
    50: '#74a1a5',
    500: '#337b81',
    950: '#000000',
  },
}

SCSS

$custom: #337b81;
$custom-light: #74a1a5;
$custom-dark: #000000;

JSON

{
  "hex": "#337b81",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 129
  },
  "hsl": {
    "h": 184.615,
    "s": 43.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.54021,
    "c": 0.07153,
    "h": 202.8
  },
  "luminance": 0.16455
}

Semantic roles & 50–950 ramp

primary

#337B81

secondary

#AC6964

accent

#5E55D3

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F0F

muted

#7B7E7F

Preview Lab

Preview with #337B81

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

Preview Lab → · Contrast checker → · Palette generator →