#337EC2#337EC2

#337EC2 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.128 H 249.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#337EC2
RGB	rgb(51, 126, 194)
HSL	hsl(209, 58%, 48%)
HSV	hsv(209, 74%, 76%)
CMYK	cmyk(73.7%, 35.1%, 0%, 23.9%)
CIE-LAB	lab(51.29, 0.04, -42.12)
CIE-LCH	lch(51.29, 42.12, 270.06°)
OKLab	oklab(57.91% -0.0455 -0.1197)
OKLCH	oklch(57.91% 0.128 249.2)
XYZ	xyz(18.5600, 19.5185, 53.8177)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EC2 #C27733

analogous

#33C2BE #337EC2 #3337C2

triadic

#337EC2 #C2337E #7EC233

tetradic

#337EC2 #BE33C2 #C27733 #37C233

square

#337EC2 #BE33C2 #C27733 #37C233

split-complementary

#337EC2 #C23337 #C2BE33

monochromatic

#1A3F61 #265F92 #337EC2 #5E9CD5 #8EBAE1

Accessibility & contrast

On white

4.28

#337EC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#337EC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EC2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EC2	#FFFFFF	#000000	##000000
##337EC2	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F81C5

Deuteranopia (green-blind)

#4A74C1

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #337ec2;
/* rgb */ color: rgb(51, 126, 194);
/* oklch */ color: oklch(57.9% 0.128 249.2);

Tailwind

colors: {
  custom: {
    50: '#7da3d5',
    500: '#337ec2',
    950: '#000000',
  },
}

SCSS

$custom: #337ec2;
$custom-light: #7da3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#337ec2",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 194
  },
  "hsl": {
    "h": 208.531,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57907,
    "c": 0.12808,
    "h": 249.2
  },
  "luminance": 0.19521
}

Semantic roles & 50–950 ramp

primary

#337EC2

secondary

#CCA785

accent

#9046E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #337EC2

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

Preview Lab → · Contrast checker → · Palette generator →