#3787C0#3787C0

#3787C0 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 60.0% C 0.116 H 243.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3787C0
RGB	rgb(55, 135, 192)
HSL	hsl(205, 55%, 48%)
HSV	hsv(205, 71%, 75%)
CMYK	cmyk(71.4%, 29.7%, 0%, 24.7%)
CIE-LAB	lab(53.97, -5.43, -36.75)
CIE-LCH	lch(53.97, 37.15, 261.59°)
OKLab	oklab(60.02% -0.0524 -0.1039)
OKLCH	oklch(60.02% 0.116 243.2)
XYZ	xyz(19.7503, 21.9437, 53.0536)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787C0 #C07037

analogous

#37C0B5 #3787C0 #3742C0

triadic

#3787C0 #C03787 #87C037

tetradic

#3787C0 #B537C0 #C07037 #42C037

square

#3787C0 #B537C0 #C07037 #42C037

split-complementary

#3787C0 #C03742 #C0B537

monochromatic

#1C4461 #296690 #3787C0 #62A3D2 #92BFE0

Accessibility & contrast

On white

3.90

#3787C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3787C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787C0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787C0	#FFFFFF	#000000	##000000
##3787C0	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D88C3

Deuteranopia (green-blind)

#5A7BBF

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3787c0;
/* rgb */ color: rgb(55, 135, 192);
/* oklch */ color: oklch(60.0% 0.116 243.2);

Tailwind

colors: {
  custom: {
    50: '#7fa9d3',
    500: '#3787c0',
    950: '#000000',
  },
}

SCSS

$custom: #3787c0;
$custom-light: #7fa9d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3787c0",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 192
  },
  "hsl": {
    "h": 204.964,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60019,
    "c": 0.11637,
    "h": 243.2
  },
  "luminance": 0.21946
}

Semantic roles & 50–950 ramp

primary

#3787C0

secondary

#CBA488

accent

#8749DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3787C0

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

Preview Lab → · Contrast checker → · Palette generator →