#337F8B#337F8B

#337F8B is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.4% C 0.076 H 209.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#337F8B
RGB	rgb(51, 127, 139)
HSL	hsl(188, 46%, 37%)
HSV	hsv(188, 63%, 55%)
CMYK	cmyk(63.3%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(49.19, -19.37, -13.46)
CIE-LCH	lch(49.19, 23.59, 214.80°)
OKLab	oklab(55.44% -0.0661 -0.0373)
OKLCH	oklch(55.44% 0.076 209.4)
XYZ	xyz(13.6129, 17.7452, 27.1288)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337F8B #8B3F33

analogous

#338B6B #337F8B #33538B

triadic

#337F8B #8B337F #7F8B33

tetradic

#337F8B #6B338B #8B3F33 #538B33

square

#337F8B #6B338B #8B3F33 #538B33

split-complementary

#337F8B #8B3353 #8B6B33

monochromatic

#122D31 #23565E #337F8B #43A8B8 #6EBDCA

Accessibility & contrast

On white

4.62

#337F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#337F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337F8B

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337F8B	#FFFFFF	#000000	##FFFFFF
##337F8B	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8C

Deuteranopia (green-blind)

#67718B

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #337f8b;
/* rgb */ color: rgb(51, 127, 139);
/* oklch */ color: oklch(55.4% 0.076 209.4);

Tailwind

colors: {
  custom: {
    50: '#75a4ac',
    500: '#337f8b',
    950: '#000000',
  },
}

SCSS

$custom: #337f8b;
$custom-light: #75a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#337f8b",
  "rgb": {
    "r": 51,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 188.182,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55443,
    "c": 0.07591,
    "h": 209.4
  },
  "luminance": 0.17747
}

Semantic roles & 50–950 ramp

primary

#337F8B

secondary

#B27268

accent

#6452D6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #337F8B

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

Preview Lab → · Contrast checker → · Palette generator →