#337CA2#337CA2

#337CA2 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.7% C 0.093 H 234.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#337CA2
RGB	rgb(51, 124, 162)
HSL	hsl(201, 52%, 42%)
HSV	hsv(201, 69%, 64%)
CMYK	cmyk(68.5%, 23.5%, 0%, 36.5%)
CIE-LAB	lab(49.16, -10.12, -26.97)
CIE-LCH	lch(49.16, 28.80, 249.43°)
OKLab	oklab(55.73% -0.0536 -0.0757)
OKLCH	oklch(55.73% 0.093 234.7)
XYZ	xyz(15.0919, 17.7261, 36.8015)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337CA2 #A25933

analogous

#33A291 #337CA2 #3344A2

triadic

#337CA2 #A2337C #7CA233

tetradic

#337CA2 #9133A2 #A25933 #44A233

square

#337CA2 #9133A2 #A25933 #44A233

split-complementary

#337CA2 #A23344 #A29133

monochromatic

#163545 #245873 #337CA2 #4C9CC7 #7AB6D5

Accessibility & contrast

On white

4.62

#337CA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#337CA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337CA2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337CA2	#FFFFFF	#000000	##FFFFFF
##337CA2	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA4

Deuteranopia (green-blind)

#5A70A1

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #337ca2;
/* rgb */ color: rgb(51, 124, 162);
/* oklch */ color: oklch(55.7% 0.093 234.7);

Tailwind

colors: {
  custom: {
    50: '#78a1bd',
    500: '#337ca2',
    950: '#000000',
  },
}

SCSS

$custom: #337ca2;
$custom-light: #78a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#337ca2",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 162
  },
  "hsl": {
    "h": 200.541,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55726,
    "c": 0.0928,
    "h": 234.7
  },
  "luminance": 0.17728
}

Semantic roles & 50–950 ramp

primary

#337CA2

secondary

#BE8D73

accent

#7D4CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #337CA2

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

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