#3F86B2#3F86B2

#3F86B2 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.4% C 0.098 H 238.7°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F86B2
RGB	rgb(63, 134, 178)
HSL	hsl(203, 48%, 47%)
HSV	hsv(203, 65%, 70%)
CMYK	cmyk(64.6%, 24.7%, 0%, 30.2%)
CIE-LAB	lab(53.30, -8.37, -29.77)
CIE-LCH	lch(53.30, 30.92, 254.30°)
OKLab	oklab(59.35% -0.0509 -0.0836)
OKLCH	oklch(59.35% 0.098 238.7)
XYZ	xyz(18.6078, 21.3194, 45.2453)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F86B2 #B26B3F

analogous

#3FB2A5 #3F86B2 #3F4CB2

triadic

#3F86B2 #B23F86 #86B23F

tetradic

#3F86B2 #A53FB2 #B26B3F #4CB23F

square

#3F86B2 #A53FB2 #B26B3F #4CB23F

split-complementary

#3F86B2 #B23F4C #B2A53F

monochromatic

#1F4258 #2F6485 #3F86B2 #66A3C9 #93BED9

Accessibility & contrast

On white

3.99

#3F86B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3F86B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F86B2

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F86B2	#FFFFFF	#000000	##000000
##3F86B2	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f86b2;
/* rgb */ color: rgb(63, 134, 178);
/* oklch */ color: oklch(59.4% 0.098 238.7);

Tailwind

colors: {
  custom: {
    50: '#80a9c9',
    500: '#3f86b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f86b2;
$custom-light: #80a9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f86b2",
  "rgb": {
    "r": 63,
    "g": 134,
    "b": 178
  },
  "hsl": {
    "h": 202.957,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59354,
    "c": 0.09789,
    "h": 238.7
  },
  "luminance": 0.21321
}

Semantic roles & 50–950 ramp

primary

#3F86B2

secondary

#C49F89

accent

#8450D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F86B2

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

Preview Lab → · Contrast checker → · Palette generator →