#337591#337591

#337591 is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.080 H 228.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#337591
RGB	rgb(51, 117, 145)
HSL	hsl(198, 48%, 38%)
HSV	hsv(198, 65%, 57%)
CMYK	cmyk(64.8%, 19.3%, 0%, 43.1%)
CIE-LAB	lab(46.27, -11.88, -21.45)
CIE-LCH	lch(46.27, 24.52, 241.01°)
OKLab	oklab(53.18% -0.0524 -0.0599)
OKLCH	oklch(53.18% 0.08 228.9)
XYZ	xyz(12.8354, 15.4694, 29.0920)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337591 #914F33

analogous

#33917E #337591 #334691

triadic

#337591 #913375 #759133

tetradic

#337591 #7E3391 #914F33 #469133

square

#337591 #7E3391 #914F33 #469133

split-complementary

#337591 #913346 #917E33

monochromatic

#132C36 #235064 #337591 #4499BD #71B2CD

Accessibility & contrast

On white

5.13

#337591 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#337591 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337591

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337591	#FFFFFF	#000000	##FFFFFF
##337591	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677392

Deuteranopia (green-blind)

#596991

Tritanopia (blue-blind)

#007D7E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #337591;
/* rgb */ color: rgb(51, 117, 145);
/* oklch */ color: oklch(53.2% 0.080 228.9);

Tailwind

colors: {
  custom: {
    50: '#759cb1',
    500: '#337591',
    950: '#000000',
  },
}

SCSS

$custom: #337591;
$custom-light: #759cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#337591",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 145
  },
  "hsl": {
    "h": 197.872,
    "s": 47.959,
    "l": 38.431
  },
  "oklch": {
    "l": 0.53184,
    "c": 0.0796,
    "h": 228.9
  },
  "luminance": 0.15471
}

Semantic roles & 50–950 ramp

primary

#337591

secondary

#B5816B

accent

#7950D8

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #337591

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

Preview Lab → · Contrast checker → · Palette generator →