#3F3DA0#3F3DA0

#3F3DA0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.156 H 278.3°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DA0
RGB	rgb(63, 61, 160)
HSL	hsl(241, 45%, 43%)
HSV	hsv(241, 62%, 63%)
CMYK	cmyk(60.6%, 61.9%, 0%, 37.3%)
CIE-LAB	lab(31.65, 31.14, -53.61)
CIE-LCH	lch(31.65, 61.99, 300.15°)
OKLab	oklab(42.35% 0.0225 -0.1541)
OKLCH	oklch(42.35% 0.156 278.3)
XYZ	xyz(10.0618, 6.9316, 34.0586)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3DA0 #9EA03D

analogous

#3D6CA0 #3F3DA0 #703DA0

triadic

#3F3DA0 #A03F3D #3DA03F

tetradic

#3F3DA0 #A03D6C #9EA03D #3DA070

square

#3F3DA0 #A03D6C #9EA03D #3DA070

split-complementary

#3F3DA0 #A0703D #6CA03D

monochromatic

#1C1B47 #2E2C74 #3F3DA0 #5C5AC0 #8886D1

Accessibility & contrast

On white

8.80

#3F3DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3F3DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DA0

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DA0	#FFFFFF	#000000	##FFFFFF
##3F3DA0	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00469E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f3da0;
/* rgb */ color: rgb(63, 61, 160);
/* oklch */ color: oklch(42.4% 0.156 278.3);

Tailwind

colors: {
  custom: {
    50: '#7e73bd',
    500: '#3f3da0',
    950: '#000000',
  },
}

SCSS

$custom: #3f3da0;
$custom-light: #7e73bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3da0",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 160
  },
  "hsl": {
    "h": 241.212,
    "s": 44.796,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42351,
    "c": 0.15579,
    "h": 278.3
  },
  "luminance": 0.06932
}

Semantic roles & 50–950 ramp

primary

#3F3DA0

secondary

#BABB7D

accent

#D453D2

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3DA0

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

Preview Lab → · Contrast checker → · Palette generator →