#337EC6#337EC6

#337EC6 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.133 H 250.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#337EC6
RGB	rgb(51, 126, 198)
HSL	hsl(209, 59%, 49%)
HSV	hsv(209, 74%, 78%)
CMYK	cmyk(74.2%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(51.50, 1.50, -44.07)
CIE-LCH	lch(51.50, 44.10, 271.94°)
OKLab	oklab(58.14% -0.0445 -0.1254)
OKLCH	oklch(58.14% 0.133 250.5)
XYZ	xyz(19.0153, 19.7006, 56.2156)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EC6 #C67B33

analogous

#33C6C5 #337EC6 #3335C6

triadic

#337EC6 #C6337E #7EC633

tetradic

#337EC6 #C533C6 #C67B33 #35C633

square

#337EC6 #C533C6 #C67B33 #35C633

split-complementary

#337EC6 #C63335 #C6C533

monochromatic

#1A4065 #265F95 #337EC6 #609CD6 #91BBE3

Accessibility & contrast

On white

4.25

#337EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#337EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EC6

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EC6	#FFFFFF	#000000	##000000
##337EC6	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C9

Deuteranopia (green-blind)

#4775C5

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #337ec6;
/* rgb */ color: rgb(51, 126, 198);
/* oklch */ color: oklch(58.1% 0.133 250.5);

Tailwind

colors: {
  custom: {
    50: '#7ea3d7',
    500: '#337ec6',
    950: '#000000',
  },
}

SCSS

$custom: #337ec6;
$custom-light: #7ea3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#337ec6",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 209.388,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58139,
    "c": 0.13308,
    "h": 250.5
  },
  "luminance": 0.19703
}

Semantic roles & 50–950 ramp

primary

#337EC6

secondary

#CDAA87

accent

#9246E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #337EC6

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

Preview Lab → · Contrast checker → · Palette generator →