#337DA2#337DA2

#337DA2 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.092 H 233.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#337DA2
RGB	rgb(51, 125, 162)
HSL	hsl(200, 52%, 42%)
HSV	hsv(200, 69%, 64%)
CMYK	cmyk(68.5%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(49.47, -10.69, -26.49)
CIE-LCH	lch(49.47, 28.57, 248.02°)
OKLab	oklab(55.97% -0.0547 -0.0743)
OKLCH	oklch(55.97% 0.092 233.7)
XYZ	xyz(15.2179, 17.9780, 36.8435)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DA2 #A25833

analogous

#33A290 #337DA2 #3346A2

triadic

#337DA2 #A2337D #7DA233

tetradic

#337DA2 #9033A2 #A25833 #46A233

square

#337DA2 #9033A2 #A25833 #46A233

split-complementary

#337DA2 #A23346 #A29033

monochromatic

#163545 #245973 #337DA2 #4C9EC7 #7AB7D5

Accessibility & contrast

On white

4.57

#337DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#337DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DA2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DA2	#FFFFFF	#000000	##000000
##337DA2	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA4

Deuteranopia (green-blind)

#5C71A1

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337da2;
/* rgb */ color: rgb(51, 125, 162);
/* oklch */ color: oklch(56.0% 0.092 233.7);

Tailwind

colors: {
  custom: {
    50: '#78a2bd',
    500: '#337da2',
    950: '#000000',
  },
}

SCSS

$custom: #337da2;
$custom-light: #78a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#337da2",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 200,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55971,
    "c": 0.0923,
    "h": 233.7
  },
  "luminance": 0.1798
}

Semantic roles & 50–950 ramp

primary

#337DA2

secondary

#BE8C73

accent

#7C4CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #337DA2

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

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