#337E9E#337E9E

#337E9E is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.088 H 229.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#337E9E
RGB	rgb(51, 126, 158)
HSL	hsl(198, 51%, 41%)
HSV	hsv(198, 68%, 62%)
CMYK	cmyk(67.7%, 20.3%, 0%, 38%)
CIE-LAB	lab(49.61, -12.62, -23.94)
CIE-LCH	lch(49.61, 27.07, 242.20°)
OKLab	oklab(56.03% -0.0572 -0.067)
OKLCH	oklch(56.03% 0.088 229.5)
XYZ	xyz(14.9952, 18.0925, 35.0431)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337E9E #9E5333

analogous

#339E88 #337E9E #33489E

triadic

#337E9E #9E337E #7E9E33

tetradic

#337E9E #88339E #9E5333 #489E33

square

#337E9E #88339E #9E5333 #489E33

split-complementary

#337E9E #9E3348 #9E8833

monochromatic

#153441 #245970 #337E9E #4AA0C4 #78B8D3

Accessibility & contrast

On white

4.55

#337E9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#337E9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337E9E

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337E9E	#FFFFFF	#000000	##000000
##337E9E	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7CA0

Deuteranopia (green-blind)

#5F719E

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337e9e;
/* rgb */ color: rgb(51, 126, 158);
/* oklch */ color: oklch(56.0% 0.088 229.5);

Tailwind

colors: {
  custom: {
    50: '#77a3ba',
    500: '#337e9e',
    950: '#000000',
  },
}

SCSS

$custom: #337e9e;
$custom-light: #77a3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#337e9e",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 158
  },
  "hsl": {
    "h": 197.944,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56025,
    "c": 0.08815,
    "h": 229.5
  },
  "luminance": 0.18094
}

Semantic roles & 50–950 ramp

primary

#337E9E

secondary

#BC8771

accent

#774DDB

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #337E9E

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

Preview Lab → · Contrast checker → · Palette generator →