#337599#337599

#337599 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.6% C 0.087 H 235.6°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#337599
RGB	rgb(51, 117, 153)
HSL	hsl(201, 50%, 40%)
HSV	hsv(201, 67%, 60%)
CMYK	cmyk(66.7%, 23.5%, 0%, 40%)
CIE-LAB	lab(46.61, -9.17, -25.65)
CIE-LCH	lch(46.61, 27.24, 250.33°)
OKLab	oklab(53.57% -0.0493 -0.072)
OKLCH	oklch(53.57% 0.087 235.6)
XYZ	xyz(13.4741, 15.7249, 32.4559)
Luminance	0.1573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337599 #995733

analogous

#33998A #337599 #334299

triadic

#337599 #993375 #759933

tetradic

#337599 #8A3399 #995733 #429933

square

#337599 #8A3399 #995733 #429933

split-complementary

#337599 #993342 #998A33

monochromatic

#142F3D #24526B #337599 #4797C2 #75B1D1

Accessibility & contrast

On white

5.07

#337599 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#337599 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337599

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337599	#FFFFFF	#000000	##FFFFFF
##337599	1.00	5.07	4.15	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64749B

Deuteranopia (green-blind)

#566A98

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #337599;
/* rgb */ color: rgb(51, 117, 153);
/* oklch */ color: oklch(53.6% 0.087 235.6);

Tailwind

colors: {
  custom: {
    50: '#769cb7',
    500: '#337599',
    950: '#000000',
  },
}

SCSS

$custom: #337599;
$custom-light: #769cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#337599",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 153
  },
  "hsl": {
    "h": 201.176,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.53568,
    "c": 0.08727,
    "h": 235.6
  },
  "luminance": 0.15726
}

Semantic roles & 50–950 ramp

primary

#337599

secondary

#B9896E

accent

#7F4EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #337599

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

Preview Lab → · Contrast checker → · Palette generator →