#337A9A#337A9A

#337A9A is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.8% C 0.086 H 230.7°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#337A9A
RGB	rgb(51, 122, 154)
HSL	hsl(199, 50%, 40%)
HSV	hsv(199, 67%, 60%)
CMYK	cmyk(66.9%, 20.8%, 0%, 39.6%)
CIE-LAB	lab(48.20, -11.71, -23.77)
CIE-LCH	lch(48.20, 26.50, 243.79°)
OKLab	oklab(54.85% -0.0544 -0.0666)
OKLCH	oklch(54.85% 0.086 230.7)
XYZ	xyz(14.1552, 16.9545, 33.0921)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A9A #9A5333

analogous

#339A87 #337A9A #33469A

triadic

#337A9A #9A337A #7A9A33

tetradic

#337A9A #87339A #9A5333 #469A33

square

#337A9A #87339A #9A5333 #469A33

split-complementary

#337A9A #9A3346 #9A8733

monochromatic

#15313E #24566C #337A9A #489CC2 #76B5D2

Accessibility & contrast

On white

4.78

#337A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#337A9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A9A

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A9A	#FFFFFF	#000000	##FFFFFF
##337A9A	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A789C

Deuteranopia (green-blind)

#5C6E9A

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #337a9a;
/* rgb */ color: rgb(51, 122, 154);
/* oklch */ color: oklch(54.8% 0.086 230.7);

Tailwind

colors: {
  custom: {
    50: '#77a0b8',
    500: '#337a9a',
    950: '#000000',
  },
}

SCSS

$custom: #337a9a;
$custom-light: #77a0b8;
$custom-dark: #000000;

JSON

{
  "hex": "#337a9a",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 154
  },
  "hsl": {
    "h": 198.641,
    "s": 50.244,
    "l": 40.196
  },
  "oklch": {
    "l": 0.54849,
    "c": 0.08599,
    "h": 230.7
  },
  "luminance": 0.16956
}

Semantic roles & 50–950 ramp

primary

#337A9A

secondary

#BA866F

accent

#794EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #337A9A

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

Preview Lab → · Contrast checker → · Palette generator →