#378DAD#378DAD

#378DAD is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.5% C 0.094 H 226.3°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#378DAD
RGB	rgb(55, 141, 173)
HSL	hsl(196, 52%, 45%)
HSV	hsv(196, 68%, 68%)
CMYK	cmyk(68.2%, 18.5%, 0%, 32.2%)
CIE-LAB	lab(54.95, -15.30, -24.37)
CIE-LCH	lch(54.95, 28.78, 237.87°)
OKLab	oklab(60.53% -0.0651 -0.0681)
OKLCH	oklch(60.53% 0.094 226.3)
XYZ	xyz(18.6402, 22.8771, 42.9604)
Luminance	0.2288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DAD #AD5737

analogous

#37AD92 #378DAD #3752AD

triadic

#378DAD #AD378D #8DAD37

tetradic

#378DAD #9237AD #AD5737 #52AD37

square

#378DAD #9237AD #AD5737 #52AD37

split-complementary

#378DAD #AD3752 #AD9237

monochromatic

#194150 #28677F #378DAD #57ABCA #86C2D8

Accessibility & contrast

On white

3.77

#378DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#378DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DAD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DAD	#FFFFFF	#000000	##000000
##378DAD	1.00	3.77	5.58	5.58
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8AAF

Deuteranopia (green-blind)

#6B7EAD

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378dad;
/* rgb */ color: rgb(55, 141, 173);
/* oklch */ color: oklch(60.5% 0.094 226.3);

Tailwind

colors: {
  custom: {
    50: '#7caec5',
    500: '#378dad',
    950: '#000000',
  },
}

SCSS

$custom: #378dad;
$custom-light: #7caec5;
$custom-dark: #000000;

JSON

{
  "hex": "#378dad",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 173
  },
  "hsl": {
    "h": 196.271,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60525,
    "c": 0.09426,
    "h": 226.3
  },
  "luminance": 0.22879
}

Semantic roles & 50–950 ramp

primary

#378DAD

secondary

#C2907D

accent

#734DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #378DAD

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

Preview Lab → · Contrast checker → · Palette generator →