#378CAA#378CAA

#378CAA is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.1% C 0.092 H 225.0°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#378CAA
RGB	rgb(55, 140, 170)
HSL	hsl(196, 51%, 44%)
HSV	hsv(196, 68%, 67%)
CMYK	cmyk(67.6%, 17.6%, 0%, 33.3%)
CIE-LAB	lab(54.52, -15.74, -23.30)
CIE-LCH	lch(54.52, 28.12, 235.96°)
OKLab	oklab(60.15% -0.0652 -0.0651)
OKLCH	oklch(60.15% 0.092 225)
XYZ	xyz(18.2064, 22.4687, 41.3998)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378CAA #AA5537

analogous

#37AA8F #378CAA #3753AA

triadic

#378CAA #AA378C #8CAA37

tetradic

#378CAA #8F37AA #AA5537 #53AA37

square

#378CAA #8F37AA #AA5537 #53AA37

split-complementary

#378CAA #AA3753 #AA8F37

monochromatic

#19404E #28667C #378CAA #56AAC8 #84C2D7

Accessibility & contrast

On white

3.82

#378CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#378CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378CAA

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378CAA	#FFFFFF	#000000	##000000
##378CAA	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AC

Deuteranopia (green-blind)

#6B7DAA

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378caa;
/* rgb */ color: rgb(55, 140, 170);
/* oklch */ color: oklch(60.1% 0.092 225.0);

Tailwind

colors: {
  custom: {
    50: '#7cadc3',
    500: '#378caa',
    950: '#000000',
  },
}

SCSS

$custom: #378caa;
$custom-light: #7cadc3;
$custom-dark: #000000;

JSON

{
  "hex": "#378caa",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 195.652,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.60146,
    "c": 0.09216,
    "h": 225
  },
  "luminance": 0.22471
}

Semantic roles & 50–950 ramp

primary

#378CAA

secondary

#C18E7C

accent

#724DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378CAA

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

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