#3F68C2#3F68C2

#3F68C2 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.5% C 0.148 H 263.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F68C2
RGB	rgb(63, 104, 194)
HSL	hsl(221, 52%, 50%)
HSV	hsv(221, 68%, 76%)
CMYK	cmyk(67.5%, 46.4%, 0%, 23.9%)
CIE-LAB	lab(45.43, 15.46, -51.43)
CIE-LCH	lch(45.43, 53.70, 286.73°)
OKLab	oklab(53.48% -0.0162 -0.1472)
OKLCH	oklch(53.48% 0.148 263.7)
XYZ	xyz(16.7344, 14.8508, 53.0131)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68C2 #C2993F

analogous

#3FAAC2 #3F68C2 #573FC2

triadic

#3F68C2 #C23F68 #68C23F

tetradic

#3F68C2 #C23FAA #C2993F #3FC257

square

#3F68C2 #C23FAA #C2993F #3FC257

split-complementary

#3F68C2 #C2573F #AAC23F

monochromatic

#203666 #2F4F95 #3F68C2 #6D8DD1 #9CB1E0

Accessibility & contrast

On white

5.29

#3F68C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3F68C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68C2

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68C2	#FFFFFF	#000000	##FFFFFF
##3F68C2	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A72C5

Deuteranopia (green-blind)

#2066C0

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f68c2;
/* rgb */ color: rgb(63, 104, 194);
/* oklch */ color: oklch(53.5% 0.148 263.7);

Tailwind

colors: {
  custom: {
    50: '#8292d5',
    500: '#3f68c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f68c2;
$custom-light: #8292d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68c2",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 194
  },
  "hsl": {
    "h": 221.221,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53481,
    "c": 0.14809,
    "h": 263.7
  },
  "luminance": 0.14852
}

Semantic roles & 50–950 ramp

primary

#3F68C2

secondary

#CCB991

accent

#AF4DDB

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0D14

muted

#7D7D83

Preview Lab

Preview with #3F68C2

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

Preview Lab → · Contrast checker → · Palette generator →