#3F87D5#3F87D5

#3F87D5 is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.5% C 0.139 H 252.6°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F87D5
RGB	rgb(63, 135, 213)
HSL	hsl(211, 64%, 54%)
HSV	hsv(211, 70%, 84%)
CMYK	cmyk(70.4%, 36.6%, 0%, 16.5%)
CIE-LAB	lab(55.26, 3.14, -46.58)
CIE-LCH	lch(55.26, 46.68, 273.85°)
OKLab	oklab(61.45% -0.0415 -0.1325)
OKLCH	oklch(61.45% 0.139 252.6)
XYZ	xyz(22.7197, 23.1863, 66.2159)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87D5 #D58D3F

analogous

#3FD2D5 #3F87D5 #423FD5

triadic

#3F87D5 #D53F87 #87D53F

tetradic

#3F87D5 #D53FD2 #D58D3F #3FD542

square

#3F87D5 #D53FD2 #D58D3F #3FD542

split-complementary

#3F87D5 #D5423F #D2D53F

monochromatic

#1C4B7E #2769B0 #3F87D5 #71A6E0 #A3C6EB

Accessibility & contrast

On white

3.72

#3F87D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#3F87D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87D5

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87D5	#FFFFFF	#000000	##000000
##3F87D5	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648CD8

Deuteranopia (green-blind)

#4D7ED3

Tritanopia (blue-blind)

#0099A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f87d5;
/* rgb */ color: rgb(63, 135, 213);
/* oklch */ color: oklch(61.5% 0.139 252.6);

Tailwind

colors: {
  custom: {
    50: '#85a9e2',
    500: '#3f87d5',
    950: '#000000',
  },
}

SCSS

$custom: #3f87d5;
$custom-light: #85a9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87d5",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 213
  },
  "hsl": {
    "h": 211.2,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61451,
    "c": 0.13886,
    "h": 252.6
  },
  "luminance": 0.23189
}

Semantic roles & 50–950 ramp

primary

#3F87D5

secondary

#D8B998

accent

#9741E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F87D5

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

Preview Lab → · Contrast checker → · Palette generator →