#3F3EA4#3F3EA4

#3F3EA4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.160 H 277.7°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EA4
RGB	rgb(63, 62, 164)
HSL	hsl(241, 45%, 44%)
HSV	hsv(241, 62%, 64%)
CMYK	cmyk(61.6%, 62.2%, 0%, 35.7%)
CIE-LAB	lab(32.22, 31.86, -55.10)
CIE-LCH	lch(32.22, 63.65, 300.04°)
OKLab	oklab(42.87% 0.0214 -0.1585)
OKLCH	oklch(42.87% 0.16 277.7)
XYZ	xyz(10.4712, 7.1816, 35.9491)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EA4 #A3A43E

analogous

#3E70A4 #3F3EA4 #723EA4

triadic

#3F3EA4 #A43F3E #3EA43F

tetradic

#3F3EA4 #A43E70 #A3A43E #3EA472

square

#3F3EA4 #A43E70 #A3A43E #3EA472

split-complementary

#3F3EA4 #A4723E #70A43E

monochromatic

#1D1C4B #2E2D78 #3F3EA4 #5E5DC2 #8A8AD3

Accessibility & contrast

On white

8.62

#3F3EA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3F3EA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EA4

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EA4	#FFFFFF	#000000	##FFFFFF
##3F3EA4	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f3ea4;
/* rgb */ color: rgb(63, 62, 164);
/* oklch */ color: oklch(42.9% 0.160 277.7);

Tailwind

colors: {
  custom: {
    50: '#7f73c0',
    500: '#3f3ea4',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ea4;
$custom-light: #7f73c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ea4",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 164
  },
  "hsl": {
    "h": 240.588,
    "s": 45.133,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42868,
    "c": 0.15996,
    "h": 277.7
  },
  "luminance": 0.07182
}

Semantic roles & 50–950 ramp

primary

#3F3EA4

secondary

#BDBD81

accent

#D553D4

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3EA4

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

Preview Lab → · Contrast checker → · Palette generator →