#378FA7#378FA7

#378FA7 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.8% C 0.090 H 219.2°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#378FA7
RGB	rgb(55, 143, 167)
HSL	hsl(193, 50%, 44%)
HSV	hsv(193, 67%, 65%)
CMYK	cmyk(67.1%, 14.4%, 0%, 34.5%)
CIE-LAB	lab(55.32, -18.34, -20.35)
CIE-LCH	lch(55.32, 27.40, 227.97°)
OKLab	oklab(60.75% -0.0696 -0.0567)
OKLCH	oklch(60.75% 0.09 219.2)
XYZ	xyz(18.3702, 23.2452, 40.0703)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FA7 #A74F37

analogous

#37A787 #378FA7 #3757A7

triadic

#378FA7 #A7378F #8FA737

tetradic

#378FA7 #8737A7 #A74F37 #57A737

square

#378FA7 #8737A7 #A74F37 #57A737

split-complementary

#378FA7 #A73757 #A78737

monochromatic

#19404B #286879 #378FA7 #54AEC7 #82C4D6

Accessibility & contrast

On white

3.72

#378FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#378FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FA7

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FA7	#FFFFFF	#000000	##000000
##378FA7	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808BA8

Deuteranopia (green-blind)

#707FA7

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #378fa7;
/* rgb */ color: rgb(55, 143, 167);
/* oklch */ color: oklch(60.8% 0.090 219.2);

Tailwind

colors: {
  custom: {
    50: '#7bb0c1',
    500: '#378fa7',
    950: '#000000',
  },
}

SCSS

$custom: #378fa7;
$custom-light: #7bb0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#378fa7",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 167
  },
  "hsl": {
    "h": 192.857,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.6075,
    "c": 0.08977,
    "h": 219.2
  },
  "luminance": 0.23247
}

Semantic roles & 50–950 ramp

primary

#378FA7

secondary

#C0897A

accent

#6C4EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378FA7

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

Preview Lab → · Contrast checker → · Palette generator →