#337D8E#337D8E

#337D8E is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.1% C 0.077 H 215.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#337D8E
RGB	rgb(51, 125, 142)
HSL	hsl(191, 47%, 38%)
HSV	hsv(191, 64%, 56%)
CMYK	cmyk(64.1%, 12%, 0%, 44.3%)
CIE-LAB	lab(48.66, -17.34, -16.02)
CIE-LCH	lch(48.66, 23.60, 222.73°)
OKLab	oklab(55.06% -0.0626 -0.0445)
OKLCH	oklch(55.06% 0.077 215.4)
XYZ	xyz(13.5793, 17.3226, 28.2139)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337D8E #8E4433

analogous

#338E71 #337D8E #334F8E

triadic

#337D8E #8E337D #7D8E33

tetradic

#337D8E #71338E #8E4433 #4F8E33

square

#337D8E #71338E #8E4433 #4F8E33

split-complementary

#337D8E #8E334F #8E7133

monochromatic

#132E34 #235561 #337D8E #43A5BB #70BACC

Accessibility & contrast

On white

4.70

#337D8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#337D8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337D8E

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337D8E	#FFFFFF	#000000	##FFFFFF
##337D8E	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798F

Deuteranopia (green-blind)

#646F8E

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337d8e;
/* rgb */ color: rgb(51, 125, 142);
/* oklch */ color: oklch(55.1% 0.077 215.4);

Tailwind

colors: {
  custom: {
    50: '#75a2af',
    500: '#337d8e',
    950: '#000000',
  },
}

SCSS

$custom: #337d8e;
$custom-light: #75a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#337d8e",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 142
  },
  "hsl": {
    "h": 191.209,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.5506,
    "c": 0.07677,
    "h": 215.4
  },
  "luminance": 0.17324
}

Semantic roles & 50–950 ramp

primary

#337D8E

secondary

#B47769

accent

#6A51D7

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #337D8E

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

Preview Lab → · Contrast checker → · Palette generator →