#3F35B8#3F35B8

#3F35B8 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.197 H 277.7°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F35B8
RGB	rgb(63, 53, 184)
HSL	hsl(245, 55%, 46%)
HSV	hsv(245, 71%, 72%)
CMYK	cmyk(65.8%, 71.2%, 0%, 27.8%)
CIE-LAB	lab(31.95, 43.96, -67.48)
CIE-LCH	lch(31.95, 80.53, 303.08°)
OKLab	oklab(43.22% 0.0262 -0.1948)
OKLCH	oklch(43.22% 0.197 277.7)
XYZ	xyz(11.9719, 7.0627, 46.0704)
Luminance	0.0706 (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

#3F35B8 #AEB835

analogous

#356DB8 #3F35B8 #8135B8

triadic

#3F35B8 #B83F35 #35B83F

tetradic

#3F35B8 #B8356D #AEB835 #35B881

square

#3F35B8 #B8356D #AEB835 #35B881

split-complementary

#3F35B8 #B88135 #6DB835

monochromatic

#1E1A59 #2F2788 #3F35B8 #645BD0 #908ADD

Accessibility & contrast

On white

8.70

#3F35B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F35B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F35B8

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F35B8	#FFFFFF	#000000	##FFFFFF
##3F35B8	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f35b8;
/* rgb */ color: rgb(63, 53, 184);
/* oklch */ color: oklch(43.2% 0.197 277.7);

Tailwind

colors: {
  custom: {
    50: '#846ece',
    500: '#3f35b8',
    950: '#000000',
  },
}

SCSS

$custom: #3f35b8;
$custom-light: #846ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3f35b8",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 184
  },
  "hsl": {
    "h": 244.58,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43215,
    "c": 0.19658,
    "h": 277.7
  },
  "luminance": 0.07064
}

Semantic roles & 50–950 ramp

primary

#3F35B8

secondary

#C2C781

accent

#DF49D3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F35B8

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

Preview Lab → · Contrast checker → · Palette generator →