#378FAC#378FAC

#378FAC is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.093 H 223.4°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#378FAC
RGB	rgb(55, 143, 172)
HSL	hsl(195, 52%, 45%)
HSV	hsv(195, 68%, 67%)
CMYK	cmyk(68%, 16.9%, 0%, 32.5%)
CIE-LAB	lab(55.52, -16.72, -22.92)
CIE-LCH	lch(55.52, 28.37, 233.89°)
OKLab	oklab(60.97% -0.0676 -0.064)
OKLCH	oklch(60.97% 0.093 223.4)
XYZ	xyz(18.8414, 23.4336, 42.5519)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FAC #AC5437

analogous

#37AC8F #378FAC #3754AC

triadic

#378FAC #AC378F #8FAC37

tetradic

#378FAC #8F37AC #AC5437 #54AC37

square

#378FAC #8F37AC #AC5437 #54AC37

split-complementary

#378FAC #AC3754 #AC8F37

monochromatic

#19424F #28687E #378FAC #57ADC9 #85C4D8

Accessibility & contrast

On white

3.69

#378FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#378FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FAC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FAC	#FFFFFF	#000000	##000000
##378FAC	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8CAE

Deuteranopia (green-blind)

#6E80AC

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #378fac;
/* rgb */ color: rgb(55, 143, 172);
/* oklch */ color: oklch(61.0% 0.093 223.4);

Tailwind

colors: {
  custom: {
    50: '#7cb0c4',
    500: '#378fac',
    950: '#000000',
  },
}

SCSS

$custom: #378fac;
$custom-light: #7cb0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#378fac",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 172
  },
  "hsl": {
    "h": 194.872,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60968,
    "c": 0.0931,
    "h": 223.4
  },
  "luminance": 0.23436
}

Semantic roles & 50–950 ramp

primary

#378FAC

secondary

#C28E7D

accent

#704DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #378FAC

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

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