#378DA0#378DA0

#378DA0 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.086 H 214.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#378DA0
RGB	rgb(55, 141, 160)
HSL	hsl(191, 49%, 42%)
HSV	hsv(191, 66%, 63%)
CMYK	cmyk(65.6%, 11.9%, 0%, 37.3%)
CIE-LAB	lab(54.45, -19.51, -17.67)
CIE-LCH	lch(54.45, 26.32, 222.16°)
OKLab	oklab(59.96% -0.0703 -0.0491)
OKLCH	oklch(59.96% 0.086 214.9)
XYZ	xyz(17.4430, 22.3982, 36.6549)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DA0 #A04A37

analogous

#37A07F #378DA0 #3759A0

triadic

#378DA0 #A0378D #8DA037

tetradic

#378DA0 #7F37A0 #A04A37 #59A037

square

#378DA0 #7F37A0 #A04A37 #59A037

split-complementary

#378DA0 #A03759 #A07F37

monochromatic

#183D45 #276572 #378DA0 #51AFC3 #7FC4D3

Accessibility & contrast

On white

3.83

#378DA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#378DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DA0

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DA0	#FFFFFF	#000000	##000000
##378DA0	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8089A1

Deuteranopia (green-blind)

#707DA0

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378da0;
/* rgb */ color: rgb(55, 141, 160);
/* oklch */ color: oklch(60.0% 0.086 214.9);

Tailwind

colors: {
  custom: {
    50: '#7aaebc',
    500: '#378da0',
    950: '#000000',
  },
}

SCSS

$custom: #378da0;
$custom-light: #7aaebc;
$custom-dark: #000000;

JSON

{
  "hex": "#378da0",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 160
  },
  "hsl": {
    "h": 190.857,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5996,
    "c": 0.08577,
    "h": 214.9
  },
  "luminance": 0.224
}

Semantic roles & 50–950 ramp

primary

#378DA0

secondary

#BC8377

accent

#684FD8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DA0

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

Preview Lab → · Contrast checker → · Palette generator →