#378AA0#378AA0

#378AA0 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.086 H 218.4°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#378AA0
RGB	rgb(55, 138, 160)
HSL	hsl(193, 49%, 42%)
HSV	hsv(193, 66%, 63%)
CMYK	cmyk(65.6%, 13.8%, 0%, 37.3%)
CIE-LAB	lab(53.52, -17.90, -19.08)
CIE-LCH	lch(53.52, 26.17, 226.83°)
OKLab	oklab(59.22% -0.067 -0.0531)
OKLCH	oklch(59.22% 0.086 218.4)
XYZ	xyz(17.0066, 21.5254, 36.5094)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378AA0 #A04D37

analogous

#37A081 #378AA0 #3756A0

triadic

#378AA0 #A0378A #8AA037

tetradic

#378AA0 #8137A0 #A04D37 #56A037

square

#378AA0 #8137A0 #A04D37 #56A037

split-complementary

#378AA0 #A03756 #A08137

monochromatic

#183B45 #276372 #378AA0 #51ABC3 #7FC1D3

Accessibility & contrast

On white

3.96

#378AA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#378AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378AA0

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378AA0	#FFFFFF	#000000	##000000
##378AA0	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C86A1

Deuteranopia (green-blind)

#6D7BA0

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #378aa0;
/* rgb */ color: rgb(55, 138, 160);
/* oklch */ color: oklch(59.2% 0.086 218.4);

Tailwind

colors: {
  custom: {
    50: '#7aacbc',
    500: '#378aa0',
    950: '#000000',
  },
}

SCSS

$custom: #378aa0;
$custom-light: #7aacbc;
$custom-dark: #000000;

JSON

{
  "hex": "#378aa0",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 160
  },
  "hsl": {
    "h": 192.571,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.59216,
    "c": 0.08553,
    "h": 218.4
  },
  "luminance": 0.21527
}

Semantic roles & 50–950 ramp

primary

#378AA0

secondary

#BC8577

accent

#6C4FD8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378AA0

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

Preview Lab → · Contrast checker → · Palette generator →