#3F3FF1#3F3FF1

#3F3FF1 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.3% C 0.255 H 272.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FF1
RGB	rgb(63, 63, 241)
HSL	hsl(240, 86%, 60%)
HSV	hsv(240, 74%, 95%)
CMYK	cmyk(73.9%, 73.9%, 0%, 5.5%)
CIE-LAB	lab(39.51, 56.61, -87.92)
CIE-LCH	lch(39.51, 104.57, 302.78°)
OKLab	oklab(50.27% 0.0109 -0.2545)
OKLCH	oklch(50.27% 0.255 272.4)
XYZ	xyz(19.6993, 10.9606, 84.2794)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3FF1 #F1F13F

analogous

#3F98F1 #3F3FF1 #983FF1

triadic

#3F3FF1 #F13F3F #3FF13F

tetradic

#3F3FF1 #F13F98 #F1F13F #3FF198

square

#3F3FF1 #F13F98 #F1F13F #3FF198

split-complementary

#3F3FF1 #F1983F #98F13F

monochromatic

#0C0CA9 #1111E2 #3F3FF1 #7878F5 #B1B1F9

Accessibility & contrast

On white

6.58

#3F3FF1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3F3FF1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F3FF1

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FF1	#FFFFFF	#000000	##FFFFFF
##3F3FF1	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066F6

Deuteranopia (green-blind)

#0054EE

Tritanopia (blue-blind)

#007395

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3f3ff1;
/* rgb */ color: rgb(63, 63, 241);
/* oklch */ color: oklch(50.3% 0.255 272.4);

Tailwind

colors: {
  custom: {
    50: '#8f76f7',
    500: '#3f3ff1',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ff1;
$custom-light: #8f76f7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ff1",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 241
  },
  "hsl": {
    "h": 240,
    "s": 86.408,
    "l": 59.608
  },
  "oklch": {
    "l": 0.5027,
    "c": 0.25469,
    "h": 272.4
  },
  "luminance": 0.10963
}

Semantic roles & 50–950 ramp

primary

#3F3FF1

secondary

#E8E8A3

accent

#FD2BFD

background

#F9F7FF

surface

#F2EDFF

border

#CCC8D7

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #3F3FF1

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

Preview Lab → · Contrast checker → · Palette generator →