#378DA7#378DA7

#378DA7 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.090 H 221.4°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#378DA7
RGB	rgb(55, 141, 167)
HSL	hsl(194, 50%, 44%)
HSV	hsv(194, 67%, 65%)
CMYK	cmyk(67.1%, 15.6%, 0%, 34.5%)
CIE-LAB	lab(54.71, -17.27, -21.29)
CIE-LCH	lch(54.71, 27.41, 230.96°)
OKLab	oklab(60.26% -0.0675 -0.0594)
OKLCH	oklch(60.26% 0.09 221.4)
XYZ	xyz(18.0726, 22.6500, 39.9712)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DA7 #A75137

analogous

#37A789 #378DA7 #3755A7

triadic

#378DA7 #A7378D #8DA737

tetradic

#378DA7 #8937A7 #A75137 #55A737

square

#378DA7 #8937A7 #A75137 #55A737

split-complementary

#378DA7 #A73755 #A78937

monochromatic

#193F4B #286679 #378DA7 #54ACC7 #82C3D6

Accessibility & contrast

On white

3.80

#378DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#378DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DA7

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DA7	#FFFFFF	#000000	##000000
##378DA7	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A8

Deuteranopia (green-blind)

#6E7EA7

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378da7;
/* rgb */ color: rgb(55, 141, 167);
/* oklch */ color: oklch(60.3% 0.090 221.4);

Tailwind

colors: {
  custom: {
    50: '#7baec1',
    500: '#378da7',
    950: '#000000',
  },
}

SCSS

$custom: #378da7;
$custom-light: #7baec1;
$custom-dark: #000000;

JSON

{
  "hex": "#378da7",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 167
  },
  "hsl": {
    "h": 193.929,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.60258,
    "c": 0.08987,
    "h": 221.4
  },
  "luminance": 0.22652
}

Semantic roles & 50–950 ramp

primary

#378DA7

secondary

#C08A7A

accent

#6E4EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DA7

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

Preview Lab → · Contrast checker → · Palette generator →