#378DA2#378DA2

#378DA2 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.0% C 0.087 H 216.8°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#378DA2
RGB	rgb(55, 141, 162)
HSL	hsl(192, 49%, 43%)
HSV	hsv(192, 66%, 64%)
CMYK	cmyk(66%, 13%, 0%, 36.5%)
CIE-LAB	lab(54.52, -18.88, -18.71)
CIE-LCH	lch(54.52, 26.58, 224.74°)
OKLab	oklab(60.04% -0.0695 -0.0521)
OKLCH	oklch(60.04% 0.087 216.8)
XYZ	xyz(17.6193, 22.4687, 37.5837)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DA2 #A24C37

analogous

#37A282 #378DA2 #3757A2

triadic

#378DA2 #A2378D #8DA237

tetradic

#378DA2 #8237A2 #A24C37 #57A237

square

#378DA2 #8237A2 #A24C37 #57A237

split-complementary

#378DA2 #A23757 #A28237

monochromatic

#183D47 #276574 #378DA2 #52AEC4 #80C3D4

Accessibility & contrast

On white

3.82

#378DA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#378DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DA2

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DA2	#FFFFFF	#000000	##000000
##378DA2	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)

#7F89A3

Deuteranopia (green-blind)

#707EA2

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378da2;
/* rgb */ color: rgb(55, 141, 162);
/* oklch */ color: oklch(60.0% 0.087 216.8);

Tailwind

colors: {
  custom: {
    50: '#7baebd',
    500: '#378da2',
    950: '#000000',
  },
}

SCSS

$custom: #378da2;
$custom-light: #7baebd;
$custom-dark: #000000;

JSON

{
  "hex": "#378da2",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 162
  },
  "hsl": {
    "h": 191.776,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.60044,
    "c": 0.08681,
    "h": 216.8
  },
  "luminance": 0.22471
}

Semantic roles & 50–950 ramp

primary

#378DA2

secondary

#BD8578

accent

#6A4FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DA2

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

Preview Lab → · Contrast checker → · Palette generator →