#378197#378197

#378197 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.6% C 0.080 H 220.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#378197
RGB	rgb(55, 129, 151)
HSL	hsl(194, 47%, 40%)
HSV	hsv(194, 64%, 59%)
CMYK	cmyk(63.6%, 14.6%, 0%, 40.8%)
CIE-LAB	lab(50.39, -15.90, -18.65)
CIE-LCH	lch(50.39, 24.50, 229.55°)
OKLab	oklab(56.59% -0.0608 -0.0519)
OKLCH	oklch(56.59% 0.08 220.5)
XYZ	xyz(15.0095, 18.7456, 32.0994)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378197 #974D37

analogous

#37977D #378197 #375197

triadic

#378197 #973781 #819737

tetradic

#378197 #7D3797 #974D37 #519737

square

#378197 #7D3797 #974D37 #519737

split-complementary

#378197 #973751 #977D37

monochromatic

#16343D #275B6A #378197 #4DA4BE #7ABBCF

Accessibility & contrast

On white

4.42

#378197 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#378197 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378197

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378197	#FFFFFF	#000000	##000000
##378197	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747E98

Deuteranopia (green-blind)

#667397

Tritanopia (blue-blind)

#008888

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #378197;
/* rgb */ color: rgb(55, 129, 151);
/* oklch */ color: oklch(56.6% 0.080 220.5);

Tailwind

colors: {
  custom: {
    50: '#78a5b5',
    500: '#378197',
    950: '#000000',
  },
}

SCSS

$custom: #378197;
$custom-light: #78a5b5;
$custom-dark: #000000;

JSON

{
  "hex": "#378197",
  "rgb": {
    "r": 55,
    "g": 129,
    "b": 151
  },
  "hsl": {
    "h": 193.75,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.56593,
    "c": 0.07994,
    "h": 220.5
  },
  "luminance": 0.18747
}

Semantic roles & 50–950 ramp

primary

#378197

secondary

#B88272

accent

#7052D6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #378197

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

Preview Lab → · Contrast checker → · Palette generator →