#337B97#337B97

#337B97 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.083 H 227.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#337B97
RGB	rgb(51, 123, 151)
HSL	hsl(197, 50%, 40%)
HSV	hsv(197, 66%, 59%)
CMYK	cmyk(66.2%, 18.5%, 0%, 40.8%)
CIE-LAB	lab(48.39, -13.28, -21.73)
CIE-LCH	lch(48.39, 25.46, 238.56°)
OKLab	oklab(54.96% -0.0567 -0.0607)
OKLCH	oklch(54.96% 0.083 227)
XYZ	xyz(14.0319, 17.1026, 31.8338)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337B97 #974F33

analogous

#339781 #337B97 #334997

triadic

#337B97 #97337B #7B9733

tetradic

#337B97 #813397 #974F33 #499733

square

#337B97 #813397 #974F33 #499733

split-complementary

#337B97 #973349 #978133

monochromatic

#14303C #245669 #337B97 #479EC1 #74B6D0

Accessibility & contrast

On white

4.75

#337B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#337B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337B97

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337B97	#FFFFFF	#000000	##FFFFFF
##337B97	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7998

Deuteranopia (green-blind)

#5E6E97

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #337b97;
/* rgb */ color: rgb(51, 123, 151);
/* oklch */ color: oklch(55.0% 0.083 227.0);

Tailwind

colors: {
  custom: {
    50: '#76a1b5',
    500: '#337b97',
    950: '#000000',
  },
}

SCSS

$custom: #337b97;
$custom-light: #76a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#337b97",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 151
  },
  "hsl": {
    "h": 196.8,
    "s": 49.505,
    "l": 39.608
  },
  "oklch": {
    "l": 0.54957,
    "c": 0.08305,
    "h": 227
  },
  "luminance": 0.17104
}

Semantic roles & 50–950 ramp

primary

#337B97

secondary

#B8826D

accent

#754FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #337B97

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

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