#337EA2#337EA2

#337EA2 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.092 H 232.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#337EA2
RGB	rgb(51, 126, 162)
HSL	hsl(199, 52%, 42%)
HSV	hsv(199, 69%, 64%)
CMYK	cmyk(68.5%, 22.2%, 0%, 36.5%)
CIE-LAB	lab(49.78, -11.26, -26.01)
CIE-LCH	lch(49.78, 28.35, 246.59°)
OKLab	oklab(56.22% -0.0557 -0.073)
OKLCH	oklch(56.22% 0.092 232.6)
XYZ	xyz(15.3451, 18.2325, 36.8859)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EA2 #A25733

analogous

#33A28F #337EA2 #3347A2

triadic

#337EA2 #A2337E #7EA233

tetradic

#337EA2 #8F33A2 #A25733 #47A233

square

#337EA2 #8F33A2 #A25733 #47A233

split-complementary

#337EA2 #A23347 #A28F33

monochromatic

#163645 #245A73 #337EA2 #4C9FC7 #7AB8D5

Accessibility & contrast

On white

4.52

#337EA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#337EA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EA2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EA2	#FFFFFF	#000000	##000000
##337EA2	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA4

Deuteranopia (green-blind)

#5D72A1

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337ea2;
/* rgb */ color: rgb(51, 126, 162);
/* oklch */ color: oklch(56.2% 0.092 232.6);

Tailwind

colors: {
  custom: {
    50: '#78a3bd',
    500: '#337ea2',
    950: '#000000',
  },
}

SCSS

$custom: #337ea2;
$custom-light: #78a3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#337ea2",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 162
  },
  "hsl": {
    "h": 199.459,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56215,
    "c": 0.09183,
    "h": 232.6
  },
  "luminance": 0.18234
}

Semantic roles & 50–950 ramp

primary

#337EA2

secondary

#BE8B73

accent

#7B4CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #337EA2

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

Preview Lab → · Contrast checker → · Palette generator →