#337FC6#337FC6

#337FC6 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.132 H 249.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#337FC6
RGB	rgb(51, 127, 198)
HSL	hsl(209, 59%, 49%)
HSV	hsv(209, 74%, 78%)
CMYK	cmyk(74.2%, 35.9%, 0%, 22.4%)
CIE-LAB	lab(51.79, 0.89, -43.61)
CIE-LCH	lch(51.79, 43.62, 271.17°)
OKLab	oklab(58.37% -0.0454 -0.1241)
OKLCH	oklch(58.37% 0.132 249.9)
XYZ	xyz(19.1438, 19.9576, 56.2584)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337FC6 #C67A33

analogous

#33C6C4 #337FC6 #3335C6

triadic

#337FC6 #C6337F #7FC633

tetradic

#337FC6 #C433C6 #C67A33 #35C633

square

#337FC6 #C433C6 #C67A33 #35C633

split-complementary

#337FC6 #C63335 #C6C433

monochromatic

#1A4165 #266095 #337FC6 #609DD6 #91BBE3

Accessibility & contrast

On white

4.21

#337FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#337FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337FC6

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337FC6	#FFFFFF	#000000	##000000
##337FC6	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83C9

Deuteranopia (green-blind)

#4975C5

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #337fc6;
/* rgb */ color: rgb(51, 127, 198);
/* oklch */ color: oklch(58.4% 0.132 249.9);

Tailwind

colors: {
  custom: {
    50: '#7ea3d7',
    500: '#337fc6',
    950: '#000000',
  },
}

SCSS

$custom: #337fc6;
$custom-light: #7ea3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#337fc6",
  "rgb": {
    "r": 51,
    "g": 127,
    "b": 198
  },
  "hsl": {
    "h": 208.98,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58368,
    "c": 0.13211,
    "h": 249.9
  },
  "luminance": 0.1996
}

Semantic roles & 50–950 ramp

primary

#337FC6

secondary

#CDA987

accent

#9146E2

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #337FC6

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

Preview Lab → · Contrast checker → · Palette generator →