#337B83#337B83

#337B83 is a mid, moderate teal. Relative luminance 0.165; OKLCH L 54.1% C 0.072 H 205.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#337B83
RGB	rgb(51, 123, 131)
HSL	hsl(186, 44%, 36%)
HSV	hsv(186, 61%, 51%)
CMYK	cmyk(61.1%, 6.1%, 0%, 48.6%)
CIE-LAB	lab(47.63, -19.72, -11.09)
CIE-LCH	lch(47.63, 22.62, 209.36°)
OKLab	oklab(54.1% -0.065 -0.0307)
OKLCH	oklch(54.1% 0.072 205.3)
XYZ	xyz(12.5432, 16.5071, 23.9935)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B83 #833B33

analogous

#338363 #337B83 #335383

triadic

#337B83 #83337B #7B8333

tetradic

#337B83 #633383 #833B33 #538333

square

#337B83 #633383 #833B33 #538333

split-complementary

#337B83 #833353 #836333

monochromatic

#11282B #225257 #337B83 #44A4AF #6BBCC5

Accessibility & contrast

On white

4.88

#337B83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#337B83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B83

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B83	#FFFFFF	#000000	##FFFFFF
##337B83	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727684

Deuteranopia (green-blind)

#656D83

Tritanopia (blue-blind)

#00807D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #337b83;
/* rgb */ color: rgb(51, 123, 131);
/* oklch */ color: oklch(54.1% 0.072 205.3);

Tailwind

colors: {
  custom: {
    50: '#74a1a7',
    500: '#337b83',
    950: '#000000',
  },
}

SCSS

$custom: #337b83;
$custom-light: #74a1a7;
$custom-dark: #000000;

JSON

{
  "hex": "#337b83",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 131
  },
  "hsl": {
    "h": 186,
    "s": 43.956,
    "l": 35.686
  },
  "oklch": {
    "l": 0.541,
    "c": 0.07193,
    "h": 205.3
  },
  "luminance": 0.16508
}

Semantic roles & 50–950 ramp

primary

#337B83

secondary

#AD6C65

accent

#6154D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F0F

muted

#7B7E7F

Preview Lab

Preview with #337B83

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

Preview Lab → · Contrast checker → · Palette generator →