#378DC0#378DC0

#378DC0 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.4% C 0.112 H 238.6°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#378DC0
RGB	rgb(55, 141, 192)
HSL	hsl(202, 55%, 48%)
HSV	hsv(202, 71%, 75%)
CMYK	cmyk(71.4%, 26.6%, 0%, 24.7%)
CIE-LAB	lab(55.75, -8.88, -33.95)
CIE-LCH	lch(55.75, 35.10, 255.35°)
OKLab	oklab(61.43% -0.0583 -0.0957)
OKLCH	oklch(61.43% 0.112 238.6)
XYZ	xyz(20.6111, 23.6654, 53.3406)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DC0 #C06A37

analogous

#37C0AE #378DC0 #3748C0

triadic

#378DC0 #C0378D #8DC037

tetradic

#378DC0 #AE37C0 #C06A37 #48C037

square

#378DC0 #AE37C0 #C06A37 #48C037

split-complementary

#378DC0 #C03748 #C0AE37

monochromatic

#1C4761 #296A90 #378DC0 #62A8D2 #92C3E0

Accessibility & contrast

On white

3.66

#378DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#378DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DC0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DC0	#FFFFFF	#000000	##000000
##378DC0	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758DC2

Deuteranopia (green-blind)

#6280BF

Tritanopia (blue-blind)

#009A9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378dc0;
/* rgb */ color: rgb(55, 141, 192);
/* oklch */ color: oklch(61.4% 0.112 238.6);

Tailwind

colors: {
  custom: {
    50: '#7faed3',
    500: '#378dc0',
    950: '#000000',
  },
}

SCSS

$custom: #378dc0;
$custom-light: #7faed3;
$custom-dark: #000000;

JSON

{
  "hex": "#378dc0",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 192
  },
  "hsl": {
    "h": 202.336,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.61432,
    "c": 0.11211,
    "h": 238.6
  },
  "luminance": 0.23668
}

Semantic roles & 50–950 ramp

primary

#378DC0

secondary

#CBA188

accent

#8149DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378DC0

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

Preview Lab → · Contrast checker → · Palette generator →