#337E8D#337E8D

#337E8D is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.076 H 213.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#337E8D
RGB	rgb(51, 126, 141)
HSL	hsl(190, 47%, 38%)
HSV	hsv(190, 64%, 55%)
CMYK	cmyk(63.8%, 10.6%, 0%, 44.7%)
CIE-LAB	lab(48.94, -18.20, -15.01)
CIE-LCH	lch(48.94, 23.59, 219.50°)
OKLab	oklab(55.27% -0.0641 -0.0416)
OKLCH	oklch(55.27% 0.076 213)
XYZ	xyz(13.6318, 17.5472, 27.8627)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337E8D #8D4233

analogous

#338D6F #337E8D #33518D

triadic

#337E8D #8D337E #7E8D33

tetradic

#337E8D #6F338D #8D4233 #518D33

square

#337E8D #6F338D #8D4233 #518D33

split-complementary

#337E8D #8D3351 #8D6F33

monochromatic

#122E33 #235660 #337E8D #43A6BA #6FBCCB

Accessibility & contrast

On white

4.66

#337E8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#337E8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337E8D

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337E8D	#FFFFFF	#000000	##FFFFFF
##337E8D	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8E

Deuteranopia (green-blind)

#65708D

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337e8d;
/* rgb */ color: rgb(51, 126, 141);
/* oklch */ color: oklch(55.3% 0.076 213.0);

Tailwind

colors: {
  custom: {
    50: '#75a3ae',
    500: '#337e8d',
    950: '#000000',
  },
}

SCSS

$custom: #337e8d;
$custom-light: #75a3ae;
$custom-dark: #000000;

JSON

{
  "hex": "#337e8d",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 141
  },
  "hsl": {
    "h": 190,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.55272,
    "c": 0.07645,
    "h": 213
  },
  "luminance": 0.17549
}

Semantic roles & 50–950 ramp

primary

#337E8D

secondary

#B37569

accent

#6751D7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #337E8D

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

Preview Lab → · Contrast checker → · Palette generator →