#3F2DB8#3F2DB8

#3F2DB8 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.205 H 278.8°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DB8
RGB	rgb(63, 45, 184)
HSL	hsl(248, 61%, 45%)
HSV	hsv(248, 76%, 72%)
CMYK	cmyk(65.8%, 75.5%, 0%, 27.8%)
CIE-LAB	lab(30.38, 48.35, -70.05)
CIE-LCH	lch(30.38, 85.12, 304.61°)
OKLab	oklab(42.1% 0.0313 -0.2023)
OKLCH	oklch(42.1% 0.205 278.8)
XYZ	xyz(11.6372, 6.3933, 45.9589)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DB8 #A6B82D

analogous

#2D60B8 #3F2DB8 #852DB8

triadic

#3F2DB8 #B83F2D #2DB83F

tetradic

#3F2DB8 #B82D60 #A6B82D #2DB885

square

#3F2DB8 #B82D60 #A6B82D #2DB885

split-complementary

#3F2DB8 #B8852D #60B82D

monochromatic

#1D1556 #2E2187 #3F2DB8 #604ED4 #8C80E0

Accessibility & contrast

On white

9.22

#3F2DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3F2DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DB8

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DB8	#FFFFFF	#000000	##FFFFFF
##3F2DB8	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2db8;
/* rgb */ color: rgb(63, 45, 184);
/* oklch */ color: oklch(42.1% 0.205 278.8);

Tailwind

colors: {
  custom: {
    50: '#8469cf',
    500: '#3f2db8',
    950: '#000000',
  },
}

SCSS

$custom: #3f2db8;
$custom-light: #8469cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2db8",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 184
  },
  "hsl": {
    "h": 247.77,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42104,
    "c": 0.2047,
    "h": 278.8
  },
  "luminance": 0.06394
}

Semantic roles & 50–950 ramp

primary

#3F2DB8

secondary

#BEC978

accent

#E444CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2DB8

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

Preview Lab → · Contrast checker → · Palette generator →