#3F87D2#3F87D2

#3F87D2 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.3% C 0.135 H 251.7°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F87D2
RGB	rgb(63, 135, 210)
HSL	hsl(211, 62%, 54%)
HSV	hsv(211, 70%, 82%)
CMYK	cmyk(70%, 35.7%, 0%, 17.6%)
CIE-LAB	lab(55.11, 2.08, -45.13)
CIE-LCH	lch(55.11, 45.18, 272.63°)
OKLab	oklab(61.28% -0.0423 -0.1283)
OKLCH	oklch(61.28% 0.135 251.7)
XYZ	xyz(22.3424, 23.0354, 64.2291)
Luminance	0.2304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87D2 #D28A3F

analogous

#3FD0D2 #3F87D2 #403FD2

triadic

#3F87D2 #D23F87 #87D23F

tetradic

#3F87D2 #D23FD0 #D28A3F #3FD240

square

#3F87D2 #D23FD0 #D28A3F #3FD240

split-complementary

#3F87D2 #D2403F #D0D23F

monochromatic

#1D4A7A #2869AC #3F87D2 #71A6DE #A2C5E9

Accessibility & contrast

On white

3.74

#3F87D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#3F87D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87D2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87D2	#FFFFFF	#000000	##000000
##3F87D2	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658BD5

Deuteranopia (green-blind)

#507ED1

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f87d2;
/* rgb */ color: rgb(63, 135, 210);
/* oklch */ color: oklch(61.3% 0.135 251.7);

Tailwind

colors: {
  custom: {
    50: '#85a9e0',
    500: '#3f87d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f87d2;
$custom-light: #85a9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87d2",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 210
  },
  "hsl": {
    "h": 210.612,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61279,
    "c": 0.13506,
    "h": 251.7
  },
  "luminance": 0.23038
}

Semantic roles & 50–950 ramp

primary

#3F87D2

secondary

#D6B797

accent

#9643E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F87D2

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

Preview Lab → · Contrast checker → · Palette generator →