#337E9A#337E9A

#337E9A is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.085 H 226.1°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#337E9A
RGB	rgb(51, 126, 154)
HSL	hsl(196, 50%, 40%)
HSV	hsv(196, 67%, 60%)
CMYK	cmyk(66.9%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(49.44, -13.96, -21.86)
CIE-LCH	lch(49.44, 25.94, 237.43°)
OKLab	oklab(55.84% -0.0588 -0.0611)
OKLCH	oklch(55.84% 0.085 226.1)
XYZ	xyz(14.6565, 17.9570, 33.2592)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337E9A #9A4F33

analogous

#339A83 #337E9A #334A9A

triadic

#337E9A #9A337E #7E9A33

tetradic

#337E9A #83339A #9A4F33 #4A9A33

square

#337E9A #83339A #9A4F33 #4A9A33

split-complementary

#337E9A #9A334A #9A8333

monochromatic

#15333E #24586C #337E9A #48A1C2 #76B9D2

Accessibility & contrast

On white

4.57

#337E9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#337E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337E9A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337E9A	#FFFFFF	#000000	##000000
##337E9A	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9B

Deuteranopia (green-blind)

#60719A

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337e9a;
/* rgb */ color: rgb(51, 126, 154);
/* oklch */ color: oklch(55.8% 0.085 226.1);

Tailwind

colors: {
  custom: {
    50: '#77a3b7',
    500: '#337e9a',
    950: '#000000',
  },
}

SCSS

$custom: #337e9a;
$custom-light: #77a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#337e9a",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 196.311,
    "s": 50.244,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5584,
    "c": 0.08478,
    "h": 226.1
  },
  "luminance": 0.17959
}

Semantic roles & 50–950 ramp

primary

#337E9A

secondary

#BA836F

accent

#744EDA

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #337E9A

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

Preview Lab → · Contrast checker → · Palette generator →