#3787CA#3787CA

#3787CA is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.6% C 0.128 H 247.3°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3787CA
RGB	rgb(55, 135, 202)
HSL	hsl(207, 58%, 50%)
HSV	hsv(207, 73%, 79%)
CMYK	cmyk(72.8%, 33.2%, 0%, 20.8%)
CIE-LAB	lab(54.45, -1.90, -41.67)
CIE-LCH	lch(54.45, 41.71, 267.39°)
OKLab	oklab(60.56% -0.0494 -0.1182)
OKLCH	oklch(60.56% 0.128 247.3)
XYZ	xyz(20.8961, 22.4021, 59.0884)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787CA #CA7A37

analogous

#37CAC4 #3787CA #373DCA

triadic

#3787CA #CA3787 #87CA37

tetradic

#3787CA #C437CA #CA7A37 #3DCA37

square

#3787CA #C437CA #CA7A37 #3DCA37

split-complementary

#3787CA #CA373D #CAC437

monochromatic

#1C476A #29679B #3787CA #67A4D7 #98C1E4

Accessibility & contrast

On white

3.83

#3787CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3787CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787CA

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787CA	#FFFFFF	#000000	##000000
##3787CA	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACD

Deuteranopia (green-blind)

#547CC9

Tritanopia (blue-blind)

#00979F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3787ca;
/* rgb */ color: rgb(55, 135, 202);
/* oklch */ color: oklch(60.6% 0.128 247.3);

Tailwind

colors: {
  custom: {
    50: '#80a9da',
    500: '#3787ca',
    950: '#000000',
  },
}

SCSS

$custom: #3787ca;
$custom-light: #80a9da;
$custom-dark: #000000;

JSON

{
  "hex": "#3787ca",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 202
  },
  "hsl": {
    "h": 207.347,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6056,
    "c": 0.12816,
    "h": 247.3
  },
  "luminance": 0.22404
}

Semantic roles & 50–950 ramp

primary

#3787CA

secondary

#CFAC8E

accent

#8D46E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3787CA

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

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