#337E8B#337E8B

#337E8B is a mid, moderate teal. Relative luminance 0.175; OKLCH L 55.2% C 0.076 H 210.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#337E8B
RGB	rgb(51, 126, 139)
HSL	hsl(189, 46%, 37%)
HSV	hsv(189, 63%, 55%)
CMYK	cmyk(63.3%, 9.4%, 0%, 45.5%)
CIE-LAB	lab(48.87, -18.83, -13.94)
CIE-LCH	lch(48.87, 23.43, 216.51°)
OKLab	oklab(55.19% -0.065 -0.0387)
OKLCH	oklch(55.19% 0.076 210.8)
XYZ	xyz(13.4844, 17.4882, 27.0860)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337E8B #8B4033

analogous

#338B6C #337E8B #33528B

triadic

#337E8B #8B337E #7E8B33

tetradic

#337E8B #6C338B #8B4033 #528B33

square

#337E8B #6C338B #8B4033 #528B33

split-complementary

#337E8B #8B3352 #8B6C33

monochromatic

#122D31 #23555E #337E8B #43A7B8 #6EBCCA

Accessibility & contrast

On white

4.67

#337E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#337E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337E8B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337E8B	#FFFFFF	#000000	##FFFFFF
##337E8B	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8C

Deuteranopia (green-blind)

#66708B

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337e8b;
/* rgb */ color: rgb(51, 126, 139);
/* oklch */ color: oklch(55.2% 0.076 210.8);

Tailwind

colors: {
  custom: {
    50: '#75a3ac',
    500: '#337e8b',
    950: '#000000',
  },
}

SCSS

$custom: #337e8b;
$custom-light: #75a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#337e8b",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 139
  },
  "hsl": {
    "h": 188.864,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55189,
    "c": 0.0756,
    "h": 210.8
  },
  "luminance": 0.1749
}

Semantic roles & 50–950 ramp

primary

#337E8B

secondary

#B27368

accent

#6552D6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #337E8B

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

Preview Lab → · Contrast checker → · Palette generator →