#378BAA#378BAA

#378BAA is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.9% C 0.092 H 226.0°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#378BAA
RGB	rgb(55, 139, 170)
HSL	hsl(196, 51%, 44%)
HSV	hsv(196, 68%, 67%)
CMYK	cmyk(67.6%, 18.2%, 0%, 33.3%)
CIE-LAB	lab(54.22, -15.20, -23.77)
CIE-LCH	lch(54.22, 28.22, 237.41°)
OKLab	oklab(59.9% -0.0642 -0.0665)
OKLCH	oklch(59.9% 0.092 226)
XYZ	xyz(18.0610, 22.1778, 41.3513)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BAA #AA5637

analogous

#37AA90 #378BAA #3752AA

triadic

#378BAA #AA378B #8BAA37

tetradic

#378BAA #9037AA #AA5637 #52AA37

square

#378BAA #9037AA #AA5637 #52AA37

split-complementary

#378BAA #AA3752 #AA9037

monochromatic

#193F4E #28657C #378BAA #56A9C8 #84C1D7

Accessibility & contrast

On white

3.86

#378BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#378BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BAA

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BAA	#FFFFFF	#000000	##000000
##378BAA	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A88AC

Deuteranopia (green-blind)

#6A7DAA

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378baa;
/* rgb */ color: rgb(55, 139, 170);
/* oklch */ color: oklch(59.9% 0.092 226.0);

Tailwind

colors: {
  custom: {
    50: '#7badc3',
    500: '#378baa',
    950: '#000000',
  },
}

SCSS

$custom: #378baa;
$custom-light: #7badc3;
$custom-dark: #000000;

JSON

{
  "hex": "#378baa",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 170
  },
  "hsl": {
    "h": 196.174,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59901,
    "c": 0.09238,
    "h": 226
  },
  "luminance": 0.2218
}

Semantic roles & 50–950 ramp

primary

#378BAA

secondary

#C18E7C

accent

#734DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378BAA

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

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