#3F27B2#3F27B2

#3F27B2 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 40.7% C 0.203 H 280.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F27B2
RGB	rgb(63, 39, 178)
HSL	hsl(250, 64%, 43%)
HSV	hsv(250, 78%, 70%)
CMYK	cmyk(64.6%, 78.1%, 0%, 30.2%)
CIE-LAB	lab(28.70, 49.58, -69.26)
CIE-LCH	lch(28.70, 85.18, 305.59°)
OKLab	oklab(40.74% 0.0363 -0.1999)
OKLCH	oklch(40.74% 0.203 280.3)
XYZ	xyz(10.8087, 5.7213, 42.6456)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F27B2 #9AB227

analogous

#2754B2 #3F27B2 #8527B2

triadic

#3F27B2 #B23F27 #27B23F

tetradic

#3F27B2 #B22754 #9AB227 #27B285

square

#3F27B2 #B22754 #9AB227 #27B285

split-complementary

#3F27B2 #B28527 #54B227

monochromatic

#1B114E #2D1C80 #3F27B2 #5A41D5 #8673E0

Accessibility & contrast

On white

9.79

#3F27B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F27B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F27B2

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F27B2	#FFFFFF	#000000	##FFFFFF
##3F27B2	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f27b2;
/* rgb */ color: rgb(63, 39, 178);
/* oklch */ color: oklch(40.7% 0.203 280.3);

Tailwind

colors: {
  custom: {
    50: '#8465ca',
    500: '#3f27b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f27b2;
$custom-light: #8465ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f27b2",
  "rgb": {
    "r": 63,
    "g": 39,
    "b": 178
  },
  "hsl": {
    "h": 250.36,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40738,
    "c": 0.2032,
    "h": 280.3
  },
  "luminance": 0.05722
}

Semantic roles & 50–950 ramp

primary

#3F27B2

secondary

#B8C86D

accent

#E741CA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F27B2

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

Preview Lab → · Contrast checker → · Palette generator →