#337A8D#337A8D

#337A8D is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.3% C 0.076 H 218.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#337A8D
RGB	rgb(51, 122, 141)
HSL	hsl(193, 47%, 38%)
HSV	hsv(193, 64%, 55%)
CMYK	cmyk(63.8%, 13.5%, 0%, 44.7%)
CIE-LAB	lab(47.68, -16.01, -16.93)
CIE-LCH	lch(47.68, 23.30, 226.59°)
OKLab	oklab(54.26% -0.0596 -0.0471)
OKLCH	oklch(54.26% 0.076 218.3)
XYZ	xyz(13.1305, 16.5446, 27.6956)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A8D #8D4633

analogous

#338D73 #337A8D #334D8D

triadic

#337A8D #8D337A #7A8D33

tetradic

#337A8D #73338D #8D4633 #4D8D33

square

#337A8D #73338D #8D4633 #4D8D33

split-complementary

#337A8D #8D334D #8D7333

monochromatic

#122C33 #235360 #337A8D #43A1BA #6FB8CB

Accessibility & contrast

On white

4.87

#337A8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#337A8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A8D

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A8D	#FFFFFF	#000000	##FFFFFF
##337A8D	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E778E

Deuteranopia (green-blind)

#616D8D

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #337a8d;
/* rgb */ color: rgb(51, 122, 141);
/* oklch */ color: oklch(54.3% 0.076 218.3);

Tailwind

colors: {
  custom: {
    50: '#75a0ae',
    500: '#337a8d',
    950: '#000000',
  },
}

SCSS

$custom: #337a8d;
$custom-light: #75a0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#337a8d",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 141
  },
  "hsl": {
    "h": 192.667,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.54259,
    "c": 0.07595,
    "h": 218.3
  },
  "luminance": 0.16546
}

Semantic roles & 50–950 ramp

primary

#337A8D

secondary

#B37869

accent

#6D51D7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #337A8D

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

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