#378CC1#378CC1

#378CC1 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.2% C 0.114 H 239.9°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#378CC1
RGB	rgb(55, 140, 193)
HSL	hsl(203, 56%, 49%)
HSV	hsv(203, 72%, 76%)
CMYK	cmyk(71.5%, 27.5%, 0%, 24.3%)
CIE-LAB	lab(55.50, -7.96, -34.92)
CIE-LCH	lch(55.50, 35.81, 257.15°)
OKLab	oklab(61.25% -0.057 -0.0985)
OKLCH	oklch(61.25% 0.114 239.9)
XYZ	xyz(20.5755, 23.4163, 53.8772)
Luminance	0.2342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378CC1 #C16C37

analogous

#37C1B1 #378CC1 #3747C1

triadic

#378CC1 #C1378C #8CC137

tetradic

#378CC1 #B137C1 #C16C37 #47C137

square

#378CC1 #B137C1 #C16C37 #47C137

split-complementary

#378CC1 #C13747 #C1B137

monochromatic

#1C4762 #296991 #378CC1 #63A8D2 #92C2E0

Accessibility & contrast

On white

3.69

#378CC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#378CC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378CC1

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378CC1	#FFFFFF	#000000	##000000
##378CC1	1.00	3.69	5.68	5.68
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738CC3

Deuteranopia (green-blind)

#607FC0

Tritanopia (blue-blind)

#00999E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #378cc1;
/* rgb */ color: rgb(55, 140, 193);
/* oklch */ color: oklch(61.2% 0.114 239.9);

Tailwind

colors: {
  custom: {
    50: '#7fadd4',
    500: '#378cc1',
    950: '#000000',
  },
}

SCSS

$custom: #378cc1;
$custom-light: #7fadd4;
$custom-dark: #000000;

JSON

{
  "hex": "#378cc1",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 193
  },
  "hsl": {
    "h": 203.043,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.61247,
    "c": 0.11385,
    "h": 239.9
  },
  "luminance": 0.23419
}

Semantic roles & 50–950 ramp

primary

#378CC1

secondary

#CBA289

accent

#8249DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378CC1

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

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