#3F86BD#3F86BD

#3F86BD is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.110 H 244.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F86BD
RGB	rgb(63, 134, 189)
HSL	hsl(206, 50%, 49%)
HSV	hsv(206, 67%, 74%)
CMYK	cmyk(66.7%, 29.1%, 0%, 25.9%)
CIE-LAB	lab(53.79, -4.64, -35.29)
CIE-LCH	lch(53.79, 35.60, 262.51°)
OKLab	oklab(59.91% -0.0473 -0.0996)
OKLCH	oklch(59.91% 0.11 244.6)
XYZ	xyz(19.7568, 21.7790, 51.2968)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F86BD #BD763F

analogous

#3FBDB5 #3F86BD #3F47BD

triadic

#3F86BD #BD3F86 #86BD3F

tetradic

#3F86BD #B53FBD #BD763F #47BD3F

square

#3F86BD #B53FBD #BD763F #47BD3F

split-complementary

#3F86BD #BD3F47 #BDB53F

monochromatic

#204561 #30658F #3F86BD #6BA3CE #99C0DD

Accessibility & contrast

On white

3.92

#3F86BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3F86BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F86BD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F86BD	#FFFFFF	#000000	##000000
##3F86BD	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D87BF

Deuteranopia (green-blind)

#5C7BBC

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3f86bd;
/* rgb */ color: rgb(63, 134, 189);
/* oklch */ color: oklch(59.9% 0.110 244.6);

Tailwind

colors: {
  custom: {
    50: '#81a9d1',
    500: '#3f86bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f86bd;
$custom-light: #81a9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f86bd",
  "rgb": {
    "r": 63,
    "g": 134,
    "b": 189
  },
  "hsl": {
    "h": 206.19,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59908,
    "c": 0.11026,
    "h": 244.6
  },
  "luminance": 0.21781
}

Semantic roles & 50–950 ramp

primary

#3F86BD

secondary

#C9A88F

accent

#8B4EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F86BD

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

Preview Lab → · Contrast checker → · Palette generator →