#3F34CC#3F34CC

#3F34CC is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.1% C 0.222 H 275.9°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F34CC
RGB	rgb(63, 52, 204)
HSL	hsl(244, 60%, 50%)
HSV	hsv(244, 75%, 80%)
CMYK	cmyk(69.1%, 74.5%, 0%, 20%)
CIE-LAB	lab(33.71, 50.86, -76.31)
CIE-LCH	lch(33.71, 91.71, 303.69°)
OKLab	oklab(45.06% 0.023 -0.2206)
OKLCH	oklch(45.06% 0.222 275.9)
XYZ	xyz(14.1734, 7.8711, 57.8874)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F34CC #C1CC34

analogous

#3475CC #3F34CC #8B34CC

triadic

#3F34CC #CC3F34 #34CC3F

tetradic

#3F34CC #CC3475 #C1CC34 #34CC8B

square

#3F34CC #CC3475 #C1CC34 #34CC8B

split-complementary

#3F34CC #CC8B34 #75CC34

monochromatic

#211B6B #30279C #3F34CC #6D65D8 #9C96E5

Accessibility & contrast

On white

8.16

#3F34CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3F34CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34CC

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34CC	#FFFFFF	#000000	##FFFFFF
##3F34CC	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D0

Deuteranopia (green-blind)

#0048C9

Tritanopia (blue-blind)

#00607E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f34cc;
/* rgb */ color: rgb(63, 52, 204);
/* oklch */ color: oklch(45.1% 0.222 275.9);

Tailwind

colors: {
  custom: {
    50: '#886edd',
    500: '#3f34cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f34cc;
$custom-light: #886edd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34cc",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 204
  },
  "hsl": {
    "h": 244.342,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45057,
    "c": 0.22177,
    "h": 275.9
  },
  "luminance": 0.07872
}

Semantic roles & 50–950 ramp

primary

#3F34CC

secondary

#CBD08C

accent

#E345D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F34CC

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

Preview Lab → · Contrast checker → · Palette generator →