#378BA7#378BA7

#378BA7 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.090 H 223.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#378BA7
RGB	rgb(55, 139, 167)
HSL	hsl(195, 50%, 44%)
HSV	hsv(195, 67%, 65%)
CMYK	cmyk(67.1%, 16.8%, 0%, 34.5%)
CIE-LAB	lab(54.10, -16.18, -22.23)
CIE-LCH	lch(54.10, 27.50, 233.95°)
OKLab	oklab(59.77% -0.0653 -0.0621)
OKLCH	oklch(59.77% 0.09 223.5)
XYZ	xyz(17.7804, 22.0656, 39.8737)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BA7 #A75337

analogous

#37A78B #378BA7 #3753A7

triadic

#378BA7 #A7378B #8BA737

tetradic

#378BA7 #8B37A7 #A75337 #53A737

square

#378BA7 #8B37A7 #A75337 #53A737

split-complementary

#378BA7 #A73753 #A78B37

monochromatic

#193E4B #286579 #378BA7 #54AAC7 #82C1D6

Accessibility & contrast

On white

3.88

#378BA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#378BA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BA7

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BA7	#FFFFFF	#000000	##000000
##378BA7	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88A8

Deuteranopia (green-blind)

#6B7CA7

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378ba7;
/* rgb */ color: rgb(55, 139, 167);
/* oklch */ color: oklch(59.8% 0.090 223.5);

Tailwind

colors: {
  custom: {
    50: '#7badc1',
    500: '#378ba7',
    950: '#000000',
  },
}

SCSS

$custom: #378ba7;
$custom-light: #7badc1;
$custom-dark: #000000;

JSON

{
  "hex": "#378ba7",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 167
  },
  "hsl": {
    "h": 195,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59767,
    "c": 0.0901,
    "h": 223.5
  },
  "luminance": 0.22067
}

Semantic roles & 50–950 ramp

primary

#378BA7

secondary

#C08C7A

accent

#714EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378BA7

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

Preview Lab → · Contrast checker → · Palette generator →