#337A91#337A91

#337A91 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.4% C 0.079 H 222.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#337A91
RGB	rgb(51, 122, 145)
HSL	hsl(195, 48%, 38%)
HSV	hsv(195, 65%, 57%)
CMYK	cmyk(64.8%, 15.9%, 0%, 43.1%)
CIE-LAB	lab(47.84, -14.71, -19.05)
CIE-LCH	lch(47.84, 24.06, 232.33°)
OKLab	oklab(54.44% -0.058 -0.0531)
OKLCH	oklch(54.44% 0.079 222.5)
XYZ	xyz(13.4336, 16.6658, 29.2914)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A91 #914A33

analogous

#339179 #337A91 #334B91

triadic

#337A91 #91337A #7A9133

tetradic

#337A91 #793391 #914A33 #4B9133

square

#337A91 #793391 #914A33 #4B9133

split-complementary

#337A91 #91334B #917933

monochromatic

#132E36 #235464 #337A91 #44A0BD #71B7CD

Accessibility & contrast

On white

4.85

#337A91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#337A91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A91

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A91	#FFFFFF	#000000	##FFFFFF
##337A91	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7792

Deuteranopia (green-blind)

#5F6D91

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #337a91;
/* rgb */ color: rgb(51, 122, 145);
/* oklch */ color: oklch(54.4% 0.079 222.5);

Tailwind

colors: {
  custom: {
    50: '#75a0b1',
    500: '#337a91',
    950: '#000000',
  },
}

SCSS

$custom: #337a91;
$custom-light: #75a0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#337a91",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 145
  },
  "hsl": {
    "h": 194.681,
    "s": 47.959,
    "l": 38.431
  },
  "oklch": {
    "l": 0.54435,
    "c": 0.07859,
    "h": 222.5
  },
  "luminance": 0.16667
}

Semantic roles & 50–950 ramp

primary

#337A91

secondary

#B57D6B

accent

#7150D8

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #337A91

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

Preview Lab → · Contrast checker → · Palette generator →