#3F6CE8#3F6CE8

#3F6CE8 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.0% C 0.194 H 265.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F6CE8
RGB	rgb(63, 108, 232)
HSL	hsl(224, 79%, 58%)
HSV	hsv(224, 73%, 91%)
CMYK	cmyk(72.8%, 53.4%, 0%, 9%)
CIE-LAB	lab(49.01, 26.63, -67.29)
CIE-LCH	lch(49.01, 72.37, 291.59°)
OKLab	oklab(57.01% -0.0152 -0.1938)
OKLCH	oklch(57.01% 0.194 265.5)
XYZ	xyz(21.9728, 17.6057, 78.5685)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6CE8 #E8BB3F

analogous

#3FC0E8 #3F6CE8 #673FE8

triadic

#3F6CE8 #E83F6C #6CE83F

tetradic

#3F6CE8 #E83FC0 #E8BB3F #3FE867

square

#3F6CE8 #E83FC0 #E8BB3F #3FE867

split-complementary

#3F6CE8 #E8673F #C0E83F

monochromatic

#12379A #194AD1 #3F6CE8 #7696EF #ACC0F5

Accessibility & contrast

On white

4.64

#3F6CE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3F6CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6CE8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6CE8	#FFFFFF	#000000	##FFFFFF
##3F6CE8	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DEC

Deuteranopia (green-blind)

#006DE6

Tritanopia (blue-blind)

#008AA0

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f6ce8;
/* rgb */ color: rgb(63, 108, 232);
/* oklch */ color: oklch(57.0% 0.194 265.5);

Tailwind

colors: {
  custom: {
    50: '#8a95f0',
    500: '#3f6ce8',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ce8;
$custom-light: #8a95f0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ce8",
  "rgb": {
    "r": 63,
    "g": 108,
    "b": 232
  },
  "hsl": {
    "h": 224.024,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57011,
    "c": 0.19442,
    "h": 265.5
  },
  "luminance": 0.17608
}

Semantic roles & 50–950 ramp

primary

#3F6CE8

secondary

#E3D1A0

accent

#C133F5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3F6CE8

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

Preview Lab → · Contrast checker → · Palette generator →