#3F87D8#3F87D8

#3F87D8 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.6% C 0.143 H 253.4°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F87D8
RGB	rgb(63, 135, 216)
HSL	hsl(212, 66%, 55%)
HSV	hsv(212, 71%, 85%)
CMYK	cmyk(70.8%, 37.5%, 0%, 15.3%)
CIE-LAB	lab(55.42, 4.20, -48.02)
CIE-LCH	lch(55.42, 48.20, 275.00°)
OKLab	oklab(61.63% -0.0408 -0.1367)
OKLCH	oklch(61.63% 0.143 253.4)
XYZ	xyz(23.1040, 23.3401, 68.2399)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87D8 #D8903F

analogous

#3FD3D8 #3F87D8 #443FD8

triadic

#3F87D8 #D83F87 #87D83F

tetradic

#3F87D8 #D83FD3 #D8903F #3FD844

square

#3F87D8 #D83FD3 #D8903F #3FD844

split-complementary

#3F87D8 #D8443F #D3D83F

monochromatic

#1A4B82 #2569B5 #3F87D8 #72A7E2 #A5C7ED

Accessibility & contrast

On white

3.70

#3F87D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#3F87D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87D8

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87D8	#FFFFFF	#000000	##000000
##3F87D8	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628DDB

Deuteranopia (green-blind)

#4B7ED6

Tritanopia (blue-blind)

#009AA5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f87d8;
/* rgb */ color: rgb(63, 135, 216);
/* oklch */ color: oklch(61.6% 0.143 253.4);

Tailwind

colors: {
  custom: {
    50: '#86a9e4',
    500: '#3f87d8',
    950: '#000000',
  },
}

SCSS

$custom: #3f87d8;
$custom-light: #86a9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87d8",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 216
  },
  "hsl": {
    "h": 211.765,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.61625,
    "c": 0.14267,
    "h": 253.4
  },
  "luminance": 0.23343
}

Semantic roles & 50–950 ramp

primary

#3F87D8

secondary

#DABB99

accent

#993FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3F87D8

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

Preview Lab → · Contrast checker → · Palette generator →