#337BA2#337BA2

#337BA2 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.093 H 235.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#337BA2
RGB	rgb(51, 123, 162)
HSL	hsl(201, 52%, 42%)
HSV	hsv(201, 69%, 64%)
CMYK	cmyk(68.5%, 24.1%, 0%, 36.5%)
CIE-LAB	lab(48.86, -9.54, -27.44)
CIE-LCH	lch(48.86, 29.06, 250.82°)
OKLab	oklab(55.48% -0.0526 -0.0771)
OKLCH	oklch(55.48% 0.093 235.7)
XYZ	xyz(14.9672, 17.4768, 36.7600)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337BA2 #A25A33

analogous

#33A292 #337BA2 #3344A2

triadic

#337BA2 #A2337B #7BA233

tetradic

#337BA2 #9233A2 #A25A33 #44A233

square

#337BA2 #9233A2 #A25A33 #44A233

split-complementary

#337BA2 #A23344 #A29233

monochromatic

#163445 #245873 #337BA2 #4C9BC7 #7AB5D5

Accessibility & contrast

On white

4.67

#337BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#337BA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337BA2

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337BA2	#FFFFFF	#000000	##FFFFFF
##337BA2	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA4

Deuteranopia (green-blind)

#596FA1

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337ba2;
/* rgb */ color: rgb(51, 123, 162);
/* oklch */ color: oklch(55.5% 0.093 235.7);

Tailwind

colors: {
  custom: {
    50: '#78a1bd',
    500: '#337ba2',
    950: '#000000',
  },
}

SCSS

$custom: #337ba2;
$custom-light: #78a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#337ba2",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 162
  },
  "hsl": {
    "h": 201.081,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55482,
    "c": 0.09333,
    "h": 235.7
  },
  "luminance": 0.17478
}

Semantic roles & 50–950 ramp

primary

#337BA2

secondary

#BE8D73

accent

#7F4CDC

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #337BA2

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

Preview Lab → · Contrast checker → · Palette generator →