#3F2DA7#3F2DA7

#3F2DA7 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.184 H 281.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DA7
RGB	rgb(63, 45, 167)
HSL	hsl(249, 58%, 42%)
HSV	hsv(249, 73%, 65%)
CMYK	cmyk(62.3%, 73.1%, 0%, 34.5%)
CIE-LAB	lab(28.70, 43.05, -62.66)
CIE-LCH	lch(28.70, 76.02, 304.49°)
OKLab	oklab(40.41% 0.0351 -0.1807)
OKLCH	oklch(40.41% 0.184 281)
XYZ	xyz(9.9611, 5.7228, 37.1314)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DA7 #95A72D

analogous

#2D58A7 #3F2DA7 #7C2DA7

triadic

#3F2DA7 #A73F2D #2DA73F

tetradic

#3F2DA7 #A72D58 #95A72D #2DA77C

square

#3F2DA7 #A72D58 #95A72D #2DA77C

split-complementary

#3F2DA7 #A77C2D #58A72D

monochromatic

#1B1347 #2D2077 #3F2DA7 #5944CD #8475DA

Accessibility & contrast

On white

9.79

#3F2DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F2DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DA7

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DA7	#FFFFFF	#000000	##FFFFFF
##3F2DA7	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)

#0048AB

Deuteranopia (green-blind)

#003FA5

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f2da7;
/* rgb */ color: rgb(63, 45, 167);
/* oklch */ color: oklch(40.4% 0.184 281.0);

Tailwind

colors: {
  custom: {
    50: '#8168c2',
    500: '#3f2da7',
    950: '#000000',
  },
}

SCSS

$custom: #3f2da7;
$custom-light: #8168c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2da7",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 167
  },
  "hsl": {
    "h": 248.852,
    "s": 57.547,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40409,
    "c": 0.18408,
    "h": 281
  },
  "luminance": 0.05724
}

Semantic roles & 50–950 ramp

primary

#3F2DA7

secondary

#B5C16E

accent

#E147CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2DA7

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

Preview Lab → · Contrast checker → · Palette generator →