#378AC0#378AC0

#378AC0 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.7% C 0.114 H 241.0°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#378AC0
RGB	rgb(55, 138, 192)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(71.4%, 28.1%, 0%, 24.7%)
CIE-LAB	lab(54.86, -7.16, -35.35)
CIE-LCH	lch(54.86, 36.07, 258.54°)
OKLab	oklab(60.72% -0.0554 -0.0998)
OKLCH	oklch(60.72% 0.114 241)
XYZ	xyz(20.1748, 22.7927, 53.1951)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378AC0 #C06D37

analogous

#37C0B1 #378AC0 #3745C0

triadic

#378AC0 #C0378A #8AC037

tetradic

#378AC0 #B137C0 #C06D37 #45C037

square

#378AC0 #B137C0 #C06D37 #45C037

split-complementary

#378AC0 #C03745 #C0B137

monochromatic

#1C4661 #296890 #378AC0 #62A6D2 #92C1E0

Accessibility & contrast

On white

3.78

#378AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#378AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378AC0

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378AC0	#FFFFFF	#000000	##000000
##378AC0	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718BC2

Deuteranopia (green-blind)

#5E7DBF

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378ac0;
/* rgb */ color: rgb(55, 138, 192);
/* oklch */ color: oklch(60.7% 0.114 241.0);

Tailwind

colors: {
  custom: {
    50: '#7facd3',
    500: '#378ac0',
    950: '#000000',
  },
}

SCSS

$custom: #378ac0;
$custom-light: #7facd3;
$custom-dark: #000000;

JSON

{
  "hex": "#378ac0",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 192
  },
  "hsl": {
    "h": 203.65,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60724,
    "c": 0.11414,
    "h": 241
  },
  "luminance": 0.22795
}

Semantic roles & 50–950 ramp

primary

#378AC0

secondary

#CBA288

accent

#8449DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378AC0

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

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