#3F29EA#3F29EA

#3F29EA is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 47.0% C 0.264 H 274.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F29EA
RGB	rgb(63, 41, 234)
HSL	hsl(247, 82%, 54%)
HSV	hsv(247, 82%, 92%)
CMYK	cmyk(73.1%, 82.5%, 0%, 8.2%)
CIE-LAB	lab(35.17, 64.93, -91.16)
CIE-LCH	lch(35.17, 111.92, 305.46°)
OKLab	oklab(47.02% 0.02 -0.2636)
OKLCH	oklch(47.02% 0.264 274.3)
XYZ	xyz(17.6892, 8.5814, 78.5501)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F29EA #D4EA29

analogous

#2974EA #3F29EA #9F29EA

triadic

#3F29EA #EA3F29 #29EA3F

tetradic

#3F29EA #EA2974 #D4EA29 #29EA9F

square

#3F29EA #EA2974 #D4EA29 #29EA9F

split-complementary

#3F29EA #EA9F29 #74EA29

monochromatic

#1C0E8B #2713C3 #3F29EA #7161EF #A398F5

Accessibility & contrast

On white

7.73

#3F29EA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F29EA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29EA

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29EA	#FFFFFF	#000000	##FFFFFF
##3F29EA	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BEF

Deuteranopia (green-blind)

#004AE7

Tritanopia (blue-blind)

#00688D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f29ea;
/* rgb */ color: rgb(63, 41, 234);
/* oklch */ color: oklch(47.0% 0.264 274.3);

Tailwind

colors: {
  custom: {
    50: '#8f6af2',
    500: '#3f29ea',
    950: '#000000',
  },
}

SCSS

$custom: #3f29ea;
$custom-light: #8f6af2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29ea",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 234
  },
  "hsl": {
    "h": 246.839,
    "s": 82.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47015,
    "c": 0.26431,
    "h": 274.3
  },
  "luminance": 0.08583
}

Semantic roles & 50–950 ramp

primary

#3F29EA

secondary

#D7E18E

accent

#F82FE2

background

#F9F6FF

surface

#F2EBFE

border

#CCC6D6

text

#0F0717

muted

#7E7A85

Preview Lab

Preview with #3F29EA

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

Preview Lab → · Contrast checker → · Palette generator →