#3F27E2#3F27E2

#3F27E2 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.9% C 0.257 H 275.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F27E2
RGB	rgb(63, 39, 226)
HSL	hsl(248, 76%, 52%)
HSV	hsv(248, 83%, 89%)
CMYK	cmyk(72.1%, 82.7%, 0%, 11.4%)
CIE-LAB	lab(33.98, 63.50, -88.57)
CIE-LCH	lch(33.98, 108.98, 305.64°)
OKLab	oklab(45.93% 0.0227 -0.256)
OKLCH	oklch(45.93% 0.257 275.1)
XYZ	xyz(16.4984, 7.9972, 72.6109)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F27E2 #CAE227

analogous

#276CE2 #3F27E2 #9D27E2

triadic

#3F27E2 #E23F27 #27E23F

tetradic

#3F27E2 #E2276C #CAE227 #27E29D

square

#3F27E2 #E2276C #CAE227 #27E29D

split-complementary

#3F27E2 #E29D27 #6CE227

monochromatic

#1F117E #2C18B4 #3F27E2 #6F5DE9 #9F93F0

Accessibility & contrast

On white

8.08

#3F27E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3F27E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F27E2

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F27E2	#FFFFFF	#000000	##FFFFFF
##3F27E2	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058E7

Deuteranopia (green-blind)

#0047DF

Tritanopia (blue-blind)

#006488

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f27e2;
/* rgb */ color: rgb(63, 39, 226);
/* oklch */ color: oklch(45.9% 0.257 275.1);

Tailwind

colors: {
  custom: {
    50: '#8d68ed',
    500: '#3f27e2',
    950: '#000000',
  },
}

SCSS

$custom: #3f27e2;
$custom-light: #8d68ed;
$custom-dark: #000000;

JSON

{
  "hex": "#3f27e2",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 226
  },
  "hsl": {
    "h": 247.701,
    "s": 76.327,
    "l": 51.961
  },
  "oklch": {
    "l": 0.45935,
    "c": 0.25703,
    "h": 275.1
  },
  "luminance": 0.07999
}

Semantic roles & 50–950 ramp

primary

#3F27E2

secondary

#D1DB89

accent

#F335DB

background

#F9F6FE

surface

#F2EBFD

border

#CCC6D5

text

#0E0717

muted

#7E7A85

Preview Lab

Preview with #3F27E2

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

Preview Lab → · Contrast checker → · Palette generator →