#337DCE#337DCE

#337DCE is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.4% C 0.144 H 253.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#337DCE
RGB	rgb(51, 125, 206)
HSL	hsl(211, 61%, 50%)
HSV	hsv(211, 75%, 81%)
CMYK	cmyk(75.2%, 39.3%, 0%, 19.2%)
CIE-LAB	lab(51.64, 5.03, -48.40)
CIE-LCH	lch(51.64, 48.66, 275.93°)
OKLab	oklab(58.39% -0.0416 -0.1381)
OKLCH	oklch(58.39% 0.144 253.3)
XYZ	xyz(19.8353, 19.8250, 61.1618)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DCE #CE8433

analogous

#33CACE #337DCE #3633CE

triadic

#337DCE #CE337D #7DCE33

tetradic

#337DCE #CE33CA #CE8433 #33CE36

square

#337DCE #CE33CA #CE8433 #33CE36

split-complementary

#337DCE #CE3633 #CACE33

monochromatic

#1A416D #265F9E #337DCE #649CDA #96BCE6

Accessibility & contrast

On white

4.23

#337DCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#337DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DCE

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DCE	#FFFFFF	#000000	##000000
##337DCE	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D1

Deuteranopia (green-blind)

#3E75CC

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #337dce;
/* rgb */ color: rgb(51, 125, 206);
/* oklch */ color: oklch(58.4% 0.144 253.3);

Tailwind

colors: {
  custom: {
    50: '#7fa2dd',
    500: '#337dce',
    950: '#000000',
  },
}

SCSS

$custom: #337dce;
$custom-light: #7fa2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#337dce",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 211.355,
    "s": 61.265,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58391,
    "c": 0.14427,
    "h": 253.3
  },
  "luminance": 0.19827
}

Semantic roles & 50–950 ramp

primary

#337DCE

secondary

#D1B08C

accent

#9843E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #337DCE

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

Preview Lab → · Contrast checker → · Palette generator →