#337DC0#337DC0

#337DC0 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.127 H 249.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#337DC0
RGB	rgb(51, 125, 192)
HSL	hsl(209, 58%, 48%)
HSV	hsv(209, 73%, 75%)
CMYK	cmyk(73.4%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(50.89, -0.08, -41.60)
CIE-LCH	lch(50.89, 41.60, 269.89°)
OKLab	oklab(57.56% -0.0451 -0.1182)
OKLCH	oklch(57.56% 0.127 249.1)
XYZ	xyz(18.2097, 19.1748, 52.6003)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DC0 #C07633

analogous

#33C0BD #337DC0 #3336C0

triadic

#337DC0 #C0337D #7DC033

tetradic

#337DC0 #BD33C0 #C07633 #36C033

square

#337DC0 #BD33C0 #C07633 #36C033

split-complementary

#337DC0 #C03336 #C0BD33

monochromatic

#193E5F #265E90 #337DC0 #5C9BD4 #8DB9E1

Accessibility & contrast

On white

4.34

#337DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#337DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DC0

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DC0	#FFFFFF	#000000	##000000
##337DC0	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C3

Deuteranopia (green-blind)

#4A73BF

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #337dc0;
/* rgb */ color: rgb(51, 125, 192);
/* oklch */ color: oklch(57.6% 0.127 249.1);

Tailwind

colors: {
  custom: {
    50: '#7da2d3',
    500: '#337dc0',
    950: '#000000',
  },
}

SCSS

$custom: #337dc0;
$custom-light: #7da2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#337dc0",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 208.511,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57562,
    "c": 0.12655,
    "h": 249.1
  },
  "luminance": 0.19177
}

Semantic roles & 50–950 ramp

primary

#337DC0

secondary

#CBA684

accent

#9047E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #337DC0

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

Preview Lab → · Contrast checker → · Palette generator →