#337A99#337A99

#337A99 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.085 H 229.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#337A99
RGB	rgb(51, 122, 153)
HSL	hsl(198, 50%, 40%)
HSV	hsv(198, 67%, 60%)
CMYK	cmyk(66.7%, 20.3%, 0%, 40%)
CIE-LAB	lab(48.16, -12.04, -23.25)
CIE-LCH	lch(48.16, 26.19, 242.62°)
OKLab	oklab(54.8% -0.0548 -0.0651)
OKLCH	oklch(54.8% 0.085 229.9)
XYZ	xyz(14.0723, 16.9213, 32.6553)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A99 #995233

analogous

#339985 #337A99 #334799

triadic

#337A99 #99337A #7A9933

tetradic

#337A99 #853399 #995233 #479933

square

#337A99 #853399 #995233 #479933

split-complementary

#337A99 #993347 #998533

monochromatic

#14313D #24556B #337A99 #479DC2 #75B5D1

Accessibility & contrast

On white

4.79

#337A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#337A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A99

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A99	#FFFFFF	#000000	##FFFFFF
##337A99	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A789B

Deuteranopia (green-blind)

#5C6E99

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #337a99;
/* rgb */ color: rgb(51, 122, 153);
/* oklch */ color: oklch(54.8% 0.085 229.9);

Tailwind

colors: {
  custom: {
    50: '#76a0b7',
    500: '#337a99',
    950: '#000000',
  },
}

SCSS

$custom: #337a99;
$custom-light: #76a0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#337a99",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 153
  },
  "hsl": {
    "h": 198.235,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.54802,
    "c": 0.08508,
    "h": 229.9
  },
  "luminance": 0.16923
}

Semantic roles & 50–950 ramp

primary

#337A99

secondary

#B9856E

accent

#794EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #337A99

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

Preview Lab → · Contrast checker → · Palette generator →