#337A9E#337A9E

#337A9E is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.090 H 233.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#337A9E
RGB	rgb(51, 122, 158)
HSL	hsl(200, 51%, 41%)
HSV	hsv(200, 68%, 62%)
CMYK	cmyk(67.7%, 22.8%, 0%, 38%)
CIE-LAB	lab(48.37, -10.34, -25.85)
CIE-LCH	lch(48.37, 27.85, 248.20°)
OKLab	oklab(55.04% -0.0529 -0.0725)
OKLCH	oklch(55.04% 0.09 233.9)
XYZ	xyz(14.4939, 17.0900, 34.8760)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A9E #9E5733

analogous

#339E8C #337A9E #33449E

triadic

#337A9E #9E337A #7A9E33

tetradic

#337A9E #8C339E #9E5733 #449E33

square

#337A9E #8C339E #9E5733 #449E33

split-complementary

#337A9E #9E3344 #9E8C33

monochromatic

#153341 #245670 #337A9E #4A9BC4 #78B5D3

Accessibility & contrast

On white

4.75

#337A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#337A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A9E

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A9E	#FFFFFF	#000000	##FFFFFF
##337A9E	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)

#6979A0

Deuteranopia (green-blind)

#5A6E9D

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #337a9e;
/* rgb */ color: rgb(51, 122, 158);
/* oklch */ color: oklch(55.0% 0.090 233.9);

Tailwind

colors: {
  custom: {
    50: '#77a0ba',
    500: '#337a9e',
    950: '#000000',
  },
}

SCSS

$custom: #337a9e;
$custom-light: #77a0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#337a9e",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 158
  },
  "hsl": {
    "h": 200.187,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55041,
    "c": 0.08981,
    "h": 233.9
  },
  "luminance": 0.17091
}

Semantic roles & 50–950 ramp

primary

#337A9E

secondary

#BC8A71

accent

#7D4DDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #337A9E

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

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