#337FA2#337FA2

#337FA2 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.091 H 231.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#337FA2
RGB	rgb(51, 127, 162)
HSL	hsl(199, 52%, 42%)
HSV	hsv(199, 69%, 64%)
CMYK	cmyk(68.5%, 21.6%, 0%, 36.5%)
CIE-LAB	lab(50.08, -11.83, -25.54)
CIE-LCH	lch(50.08, 28.14, 245.14°)
OKLab	oklab(56.46% -0.0568 -0.0716)
OKLCH	oklch(56.46% 0.091 231.6)
XYZ	xyz(15.4736, 18.4895, 36.9288)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337FA2 #A25633

analogous

#33A28E #337FA2 #3348A2

triadic

#337FA2 #A2337F #7FA233

tetradic

#337FA2 #8E33A2 #A25633 #48A233

square

#337FA2 #8E33A2 #A25633 #48A233

split-complementary

#337FA2 #A23348 #A28E33

monochromatic

#163645 #245B73 #337FA2 #4CA0C7 #7AB9D5

Accessibility & contrast

On white

4.47

#337FA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#337FA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337FA2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337FA2	#FFFFFF	#000000	##000000
##337FA2	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA4

Deuteranopia (green-blind)

#5E72A1

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #337fa2;
/* rgb */ color: rgb(51, 127, 162);
/* oklch */ color: oklch(56.5% 0.091 231.6);

Tailwind

colors: {
  custom: {
    50: '#78a4bd',
    500: '#337fa2',
    950: '#000000',
  },
}

SCSS

$custom: #337fa2;
$custom-light: #78a4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#337fa2",
  "rgb": {
    "r": 51,
    "g": 127,
    "b": 162
  },
  "hsl": {
    "h": 198.919,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56461,
    "c": 0.09141,
    "h": 231.6
  },
  "luminance": 0.18491
}

Semantic roles & 50–950 ramp

primary

#337FA2

secondary

#BE8B73

accent

#794CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #337FA2

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

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