#378399#378399

#378399 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.081 H 220.0°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#378399
RGB	rgb(55, 131, 153)
HSL	hsl(193, 47%, 41%)
HSV	hsv(193, 64%, 60%)
CMYK	cmyk(64.1%, 14.4%, 0%, 40%)
CIE-LAB	lab(51.09, -16.35, -18.75)
CIE-LCH	lch(51.09, 24.87, 228.90°)
OKLab	oklab(57.18% -0.0622 -0.0522)
OKLCH	oklch(57.18% 0.081 220)
XYZ	xyz(15.4393, 19.3431, 33.0507)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378399 #994D37

analogous

#37997E #378399 #375299

triadic

#378399 #993783 #839937

tetradic

#378399 #7E3799 #994D37 #529937

square

#378399 #7E3799 #994D37 #529937

split-complementary

#378399 #993752 #997E37

monochromatic

#17363F #275C6C #378399 #4EA6BF #7BBDD0

Accessibility & contrast

On white

4.31

#378399 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#378399 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378399

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378399	#FFFFFF	#000000	##000000
##378399	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75809A

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #378399;
/* rgb */ color: rgb(55, 131, 153);
/* oklch */ color: oklch(57.2% 0.081 220.0);

Tailwind

colors: {
  custom: {
    50: '#79a7b7',
    500: '#378399',
    950: '#000000',
  },
}

SCSS

$custom: #378399;
$custom-light: #79a7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#378399",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 153
  },
  "hsl": {
    "h": 193.469,
    "s": 47.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.57177,
    "c": 0.0812,
    "h": 220
  },
  "luminance": 0.19345
}

Semantic roles & 50–950 ramp

primary

#378399

secondary

#B98373

accent

#6F51D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #378399

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

Preview Lab → · Contrast checker → · Palette generator →