#3F87CD#3F87CD

#3F87CD is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.0% C 0.129 H 250.2°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F87CD
RGB	rgb(63, 135, 205)
HSL	hsl(210, 59%, 53%)
HSV	hsv(210, 69%, 80%)
CMYK	cmyk(69.3%, 34.1%, 0%, 19.6%)
CIE-LAB	lab(54.86, 0.32, -42.71)
CIE-LCH	lch(54.86, 42.71, 270.43°)
OKLab	oklab(61% -0.0436 -0.1212)
OKLCH	oklch(61% 0.129 250.2)
XYZ	xyz(21.7292, 22.7902, 60.9995)
Luminance	0.2279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87CD #CD853F

analogous

#3FCDCC #3F87CD #3F40CD

triadic

#3F87CD #CD3F87 #87CD3F

tetradic

#3F87CD #CC3FCD #CD853F #40CD3F

square

#3F87CD #CC3FCD #CD853F #40CD3F

split-complementary

#3F87CD #CD3F40 #CDCC3F

monochromatic

#1E4974 #2B68A4 #3F87CD #70A5DA #A0C4E6

Accessibility & contrast

On white

3.78

#3F87CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#3F87CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87CD

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87CD	#FFFFFF	#000000	##000000
##3F87CD	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)

#688BD0

Deuteranopia (green-blind)

#547DCC

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f87cd;
/* rgb */ color: rgb(63, 135, 205);
/* oklch */ color: oklch(61.0% 0.129 250.2);

Tailwind

colors: {
  custom: {
    50: '#84a9dc',
    500: '#3f87cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f87cd;
$custom-light: #84a9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87cd",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 205
  },
  "hsl": {
    "h": 209.577,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.60998,
    "c": 0.1288,
    "h": 250.2
  },
  "luminance": 0.22792
}

Semantic roles & 50–950 ramp

primary

#3F87CD

secondary

#D3B395

accent

#9346E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F87CD

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

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