#3F35AB#3F35AB

#3F35AB is a dark, vivid blue. Relative luminance 0.065; OKLCH L 42.0% C 0.180 H 279.1°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F35AB
RGB	rgb(63, 53, 171)
HSL	hsl(245, 53%, 44%)
HSV	hsv(245, 69%, 67%)
CMYK	cmyk(63.2%, 69%, 0%, 32.9%)
CIE-LAB	lab(30.74, 39.74, -61.71)
CIE-LCH	lch(30.74, 73.40, 302.78°)
OKLab	oklab(41.98% 0.0284 -0.178)
OKLCH	oklch(41.98% 0.18 279.1)
XYZ	xyz(10.6713, 6.5424, 39.2206)
Luminance	0.0654 (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

#3F35AB #A1AB35

analogous

#3566AB #3F35AB #7A35AB

triadic

#3F35AB #AB3F35 #35AB3F

tetradic

#3F35AB #AB3566 #A1AB35 #35AB7A

square

#3F35AB #AB3566 #A1AB35 #35AB7A

split-complementary

#3F35AB #AB7A35 #66AB35

monochromatic

#1D184E #2E277C #3F35AB #5D53CA #8982D8

Accessibility & contrast

On white

9.10

#3F35AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3F35AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F35AB

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F35AB	#FFFFFF	#000000	##FFFFFF
##3F35AB	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f35ab;
/* rgb */ color: rgb(63, 53, 171);
/* oklch */ color: oklch(42.0% 0.180 279.1);

Tailwind

colors: {
  custom: {
    50: '#816dc5',
    500: '#3f35ab',
    950: '#000000',
  },
}

SCSS

$custom: #3f35ab;
$custom-light: #816dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f35ab",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 171
  },
  "hsl": {
    "h": 245.085,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41981,
    "c": 0.18021,
    "h": 279.1
  },
  "luminance": 0.06543
}

Semantic roles & 50–950 ramp

primary

#3F35AB

secondary

#BCC27A

accent

#DC4CD0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3F35AB

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

Preview Lab → · Contrast checker → · Palette generator →