#3F68DC#3F68DC

#3F68DC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.3% C 0.183 H 265.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F68DC
RGB	rgb(63, 104, 220)
HSL	hsl(224, 69%, 55%)
HSV	hsv(224, 71%, 86%)
CMYK	cmyk(71.4%, 52.7%, 0%, 13.7%)
CIE-LAB	lab(47.13, 24.84, -63.56)
CIE-LCH	lch(47.13, 68.24, 291.34°)
OKLab	oklab(55.33% -0.0131 -0.1829)
OKLCH	oklch(55.33% 0.183 265.9)
XYZ	xyz(19.9140, 16.1226, 69.7587)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68DC #DCB33F

analogous

#3FB7DC #3F68DC #643FDC

triadic

#3F68DC #DC3F68 #68DC3F

tetradic

#3F68DC #DC3FB7 #DCB33F #3FDC64

square

#3F68DC #DC3FB7 #DCB33F #3FDC64

split-complementary

#3F68DC #DC643F #B7DC3F

monochromatic

#193688 #224ABC #3F68DC #7391E5 #A7B9EF

Accessibility & contrast

On white

4.97

#3F68DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3F68DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68DC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68DC	#FFFFFF	#000000	##FFFFFF
##3F68DC	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1377E0

Deuteranopia (green-blind)

#0069DA

Tritanopia (blue-blind)

#008498

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f68dc;
/* rgb */ color: rgb(63, 104, 220);
/* oklch */ color: oklch(55.3% 0.183 265.9);

Tailwind

colors: {
  custom: {
    50: '#8792e8',
    500: '#3f68dc',
    950: '#000000',
  },
}

SCSS

$custom: #3f68dc;
$custom-light: #8792e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68dc",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 220
  },
  "hsl": {
    "h": 224.331,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55326,
    "c": 0.18338,
    "h": 265.9
  },
  "luminance": 0.16125
}

Semantic roles & 50–950 ramp

primary

#3F68DC

secondary

#DCCB9B

accent

#BE3CEC

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0D16

muted

#7E7D84

Preview Lab

Preview with #3F68DC

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

Preview Lab → · Contrast checker → · Palette generator →