#3F6BE8#3F6BE8

#3F6BE8 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.8% C 0.196 H 265.8°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F6BE8
RGB	rgb(63, 107, 232)
HSL	hsl(224, 79%, 58%)
HSV	hsv(224, 73%, 91%)
CMYK	cmyk(72.8%, 53.9%, 0%, 9%)
CIE-LAB	lab(48.76, 27.26, -67.71)
CIE-LCH	lch(48.76, 73.00, 291.93°)
OKLab	oklab(56.82% -0.0145 -0.1951)
OKLCH	oklch(56.82% 0.196 265.8)
XYZ	xyz(21.8680, 17.3960, 78.5336)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6BE8 #E8BC3F

analogous

#3FBFE8 #3F6BE8 #683FE8

triadic

#3F6BE8 #E83F6B #6BE83F

tetradic

#3F6BE8 #E83FBF #E8BC3F #3FE868

square

#3F6BE8 #E83FBF #E8BC3F #3FE868

split-complementary

#3F6BE8 #E8683F #BFE83F

monochromatic

#12369A #1949D1 #3F6BE8 #7695EF #ACBFF5

Accessibility & contrast

On white

4.69

#3F6BE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3F6BE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6BE8

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6BE8	#FFFFFF	#000000	##FFFFFF
##3F6BE8	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CEC

Deuteranopia (green-blind)

#006CE6

Tritanopia (blue-blind)

#00899F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f6be8;
/* rgb */ color: rgb(63, 107, 232);
/* oklch */ color: oklch(56.8% 0.196 265.8);

Tailwind

colors: {
  custom: {
    50: '#8a94f0',
    500: '#3f6be8',
    950: '#000000',
  },
}

SCSS

$custom: #3f6be8;
$custom-light: #8a94f0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6be8",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 232
  },
  "hsl": {
    "h": 224.379,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.56815,
    "c": 0.19562,
    "h": 265.8
  },
  "luminance": 0.17398
}

Semantic roles & 50–950 ramp

primary

#3F6BE8

secondary

#E3D2A0

accent

#C233F5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3F6BE8

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

Preview Lab → · Contrast checker → · Palette generator →