#378ACA#378ACA

#378ACA is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.3% C 0.126 H 245.4°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#378ACA
RGB	rgb(55, 138, 202)
HSL	hsl(206, 58%, 50%)
HSV	hsv(206, 73%, 79%)
CMYK	cmyk(72.8%, 31.7%, 0%, 20.8%)
CIE-LAB	lab(55.33, -3.65, -40.28)
CIE-LCH	lch(55.33, 40.45, 264.82°)
OKLab	oklab(61.25% -0.0523 -0.1142)
OKLCH	oklch(61.25% 0.126 245.4)
XYZ	xyz(21.3206, 23.2510, 59.2299)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378ACA #CA7737

analogous

#37CAC0 #378ACA #3741CA

triadic

#378ACA #CA378A #8ACA37

tetradic

#378ACA #C037CA #CA7737 #41CA37

square

#378ACA #C037CA #CA7737 #41CA37

split-complementary

#378ACA #CA3741 #CAC037

monochromatic

#1C486A #29699B #378ACA #67A6D7 #98C3E4

Accessibility & contrast

On white

3.72

#378ACA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#378ACA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ACA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378ACA	#FFFFFF	#000000	##000000
##378ACA	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8CCD

Deuteranopia (green-blind)

#587EC9

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #378aca;
/* rgb */ color: rgb(55, 138, 202);
/* oklch */ color: oklch(61.3% 0.126 245.4);

Tailwind

colors: {
  custom: {
    50: '#80abda',
    500: '#378aca',
    950: '#000000',
  },
}

SCSS

$custom: #378aca;
$custom-light: #80abda;
$custom-dark: #000000;

JSON

{
  "hex": "#378aca",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 202
  },
  "hsl": {
    "h": 206.122,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.61252,
    "c": 0.12556,
    "h": 245.4
  },
  "luminance": 0.23253
}

Semantic roles & 50–950 ramp

primary

#378ACA

secondary

#CFAA8E

accent

#8A46E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #378ACA

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

Preview Lab → · Contrast checker → · Palette generator →