#3F6EE8#3F6EE8

#3F6EE8 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.192 H 265.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EE8
RGB	rgb(63, 110, 232)
HSL	hsl(223, 79%, 58%)
HSV	hsv(223, 73%, 91%)
CMYK	cmyk(72.8%, 52.6%, 0%, 9%)
CIE-LAB	lab(49.54, 25.38, -66.45)
CIE-LCH	lch(49.54, 71.13, 290.90°)
OKLab	oklab(57.4% -0.0168 -0.1913)
OKLCH	oklch(57.4% 0.192 265)
XYZ	xyz(22.1862, 18.0324, 78.6396)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EE8 #E8B93F

analogous

#3FC2E8 #3F6EE8 #653FE8

triadic

#3F6EE8 #E83F6E #6EE83F

tetradic

#3F6EE8 #E83FC2 #E8B93F #3FE865

square

#3F6EE8 #E83FC2 #E8B93F #3FE865

split-complementary

#3F6EE8 #E8653F #C2E83F

monochromatic

#12389A #194CD1 #3F6EE8 #7697EF #ACC1F5

Accessibility & contrast

On white

4.56

#3F6EE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3F6EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F6EE8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EE8	#FFFFFF	#000000	##000000
##3F6EE8	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#137EEC

Deuteranopia (green-blind)

#006EE6

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f6ee8;
/* rgb */ color: rgb(63, 110, 232);
/* oklch */ color: oklch(57.4% 0.192 265.0);

Tailwind

colors: {
  custom: {
    50: '#8a97f0',
    500: '#3f6ee8',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ee8;
$custom-light: #8a97f0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ee8",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 232
  },
  "hsl": {
    "h": 223.314,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57405,
    "c": 0.19204,
    "h": 265
  },
  "luminance": 0.18035
}

Semantic roles & 50–950 ramp

primary

#3F6EE8

secondary

#E3D0A0

accent

#BF33F5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3F6EE8

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

Preview Lab → · Contrast checker → · Palette generator →