#378BA8#378BA8

#378BA8 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.091 H 224.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#378BA8
RGB	rgb(55, 139, 168)
HSL	hsl(195, 51%, 44%)
HSV	hsv(195, 67%, 66%)
CMYK	cmyk(67.3%, 17.3%, 0%, 34.1%)
CIE-LAB	lab(54.14, -15.85, -22.75)
CIE-LCH	lch(54.14, 27.73, 235.13°)
OKLab	oklab(59.81% -0.0649 -0.0635)
OKLCH	oklch(59.81% 0.091 224.4)
XYZ	xyz(17.8732, 22.1027, 40.3625)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BA8 #A85437

analogous

#37A88C #378BA8 #3752A8

triadic

#378BA8 #A8378B #8BA837

tetradic

#378BA8 #8C37A8 #A85437 #52A837

square

#378BA8 #8C37A8 #A85437 #52A837

split-complementary

#378BA8 #A83752 #A88C37

monochromatic

#193F4C #28657A #378BA8 #55AAC7 #83C1D6

Accessibility & contrast

On white

3.87

#378BA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#378BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BA8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BA8	#FFFFFF	#000000	##000000
##378BA8	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88AA

Deuteranopia (green-blind)

#6B7CA8

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378ba8;
/* rgb */ color: rgb(55, 139, 168);
/* oklch */ color: oklch(59.8% 0.091 224.4);

Tailwind

colors: {
  custom: {
    50: '#7badc2',
    500: '#378ba8',
    950: '#000000',
  },
}

SCSS

$custom: #378ba8;
$custom-light: #7badc2;
$custom-dark: #000000;

JSON

{
  "hex": "#378ba8",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 168
  },
  "hsl": {
    "h": 195.398,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.59811,
    "c": 0.09084,
    "h": 224.4
  },
  "luminance": 0.22105
}

Semantic roles & 50–950 ramp

primary

#378BA8

secondary

#C08D7B

accent

#724EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378BA8

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

Preview Lab → · Contrast checker → · Palette generator →