#3F2EA1#3F2EA1

#3F2EA1 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.175 H 281.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F2EA1
RGB	rgb(63, 46, 161)
HSL	hsl(249, 56%, 41%)
HSV	hsv(249, 71%, 63%)
CMYK	cmyk(60.9%, 71.4%, 0%, 36.9%)
CIE-LAB	lab(28.34, 40.60, -59.63)
CIE-LCH	lch(28.34, 72.14, 304.25°)
OKLab	oklab(39.98% 0.0355 -0.1718)
OKLCH	oklch(39.98% 0.175 281.7)
XYZ	xyz(9.4579, 5.5833, 34.2906)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2EA1 #90A12E

analogous

#2E56A1 #3F2EA1 #792EA1

triadic

#3F2EA1 #A13F2E #2EA13F

tetradic

#3F2EA1 #A12E56 #90A12E #2EA179

square

#3F2EA1 #A12E56 #90A12E #2EA179

split-complementary

#3F2EA1 #A1792E #56A12E

monochromatic

#1A1342 #2C2071 #3F2EA1 #5743C9 #8173D7

Accessibility & contrast

On white

9.92

#3F2EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F2EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2EA1

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2EA1	#FFFFFF	#000000	##FFFFFF
##3F2EA1	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2ea1;
/* rgb */ color: rgb(63, 46, 161);
/* oklch */ color: oklch(40.0% 0.175 281.7);

Tailwind

colors: {
  custom: {
    50: '#8069be',
    500: '#3f2ea1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ea1;
$custom-light: #8069be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ea1",
  "rgb": {
    "r": 63,
    "g": 46,
    "b": 161
  },
  "hsl": {
    "h": 248.87,
    "s": 55.556,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39975,
    "c": 0.17548,
    "h": 281.7
  },
  "luminance": 0.05584
}

Semantic roles & 50–950 ramp

primary

#3F2EA1

secondary

#B2BE6C

accent

#DF49C9

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2EA1

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

Preview Lab → · Contrast checker → · Palette generator →