#378BA0#378BA0

#378BA0 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.086 H 217.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#378BA0
RGB	rgb(55, 139, 160)
HSL	hsl(192, 49%, 42%)
HSV	hsv(192, 66%, 63%)
CMYK	cmyk(65.6%, 13.1%, 0%, 37.3%)
CIE-LAB	lab(53.83, -18.44, -18.61)
CIE-LCH	lch(53.83, 26.20, 225.26°)
OKLab	oklab(59.46% -0.0681 -0.0518)
OKLCH	oklch(59.46% 0.086 217.2)
XYZ	xyz(17.1507, 21.8137, 36.5575)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BA0 #A04C37

analogous

#37A081 #378BA0 #3757A0

triadic

#378BA0 #A0378B #8BA037

tetradic

#378BA0 #8137A0 #A04C37 #57A037

square

#378BA0 #8137A0 #A04C37 #57A037

split-complementary

#378BA0 #A03757 #A08137

monochromatic

#183C45 #276372 #378BA0 #51ACC3 #7FC2D3

Accessibility & contrast

On white

3.92

#378BA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#378BA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BA0

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BA0	#FFFFFF	#000000	##000000
##378BA0	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D87A1

Deuteranopia (green-blind)

#6E7CA0

Tritanopia (blue-blind)

#009292

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378ba0;
/* rgb */ color: rgb(55, 139, 160);
/* oklch */ color: oklch(59.5% 0.086 217.2);

Tailwind

colors: {
  custom: {
    50: '#7aadbc',
    500: '#378ba0',
    950: '#000000',
  },
}

SCSS

$custom: #378ba0;
$custom-light: #7aadbc;
$custom-dark: #000000;

JSON

{
  "hex": "#378ba0",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 160
  },
  "hsl": {
    "h": 192,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.08558,
    "h": 217.2
  },
  "luminance": 0.21816
}

Semantic roles & 50–950 ramp

primary

#378BA0

secondary

#BC8577

accent

#6B4FD8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378BA0

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

Preview Lab → · Contrast checker → · Palette generator →