#378DAC#378DAC

#378DAC is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.093 H 225.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#378DAC
RGB	rgb(55, 141, 172)
HSL	hsl(196, 52%, 45%)
HSV	hsv(196, 68%, 67%)
CMYK	cmyk(68%, 18%, 0%, 32.5%)
CIE-LAB	lab(54.91, -15.63, -23.86)
CIE-LCH	lch(54.91, 28.52, 236.77°)
OKLab	oklab(60.48% -0.0655 -0.0667)
OKLCH	oklch(60.48% 0.093 225.5)
XYZ	xyz(18.5438, 22.8385, 42.4527)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DAC #AC5637

analogous

#37AC90 #378DAC #3753AC

triadic

#378DAC #AC378D #8DAC37

tetradic

#378DAC #9037AC #AC5637 #53AC37

square

#378DAC #9037AC #AC5637 #53AC37

split-complementary

#378DAC #AC3753 #AC9037

monochromatic

#19414F #28677E #378DAC #57ABC9 #85C2D8

Accessibility & contrast

On white

3.77

#378DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#378DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DAC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DAC	#FFFFFF	#000000	##000000
##378DAC	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8AAE

Deuteranopia (green-blind)

#6C7EAC

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378dac;
/* rgb */ color: rgb(55, 141, 172);
/* oklch */ color: oklch(60.5% 0.093 225.5);

Tailwind

colors: {
  custom: {
    50: '#7caec4',
    500: '#378dac',
    950: '#000000',
  },
}

SCSS

$custom: #378dac;
$custom-light: #7caec4;
$custom-dark: #000000;

JSON

{
  "hex": "#378dac",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 172
  },
  "hsl": {
    "h": 195.897,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6048,
    "c": 0.09348,
    "h": 225.5
  },
  "luminance": 0.22841
}

Semantic roles & 50–950 ramp

primary

#378DAC

secondary

#C28F7D

accent

#724DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #378DAC

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

Preview Lab → · Contrast checker → · Palette generator →