#3F35B9#3F35B9

#3F35B9 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.3% C 0.198 H 277.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F35B9
RGB	rgb(63, 53, 185)
HSL	hsl(245, 55%, 47%)
HSV	hsv(245, 71%, 73%)
CMYK	cmyk(65.9%, 71.4%, 0%, 27.5%)
CIE-LAB	lab(32.04, 44.28, -67.91)
CIE-LCH	lch(32.04, 81.07, 303.11°)
OKLab	oklab(43.31% 0.0261 -0.1961)
OKLCH	oklch(43.31% 0.198 277.6)
XYZ	xyz(12.0771, 7.1047, 46.6244)
Luminance	0.0711 (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

#3F35B9 #AFB935

analogous

#356DB9 #3F35B9 #8135B9

triadic

#3F35B9 #B93F35 #35B93F

tetradic

#3F35B9 #B9356D #AFB935 #35B981

square

#3F35B9 #B9356D #AFB935 #35B981

split-complementary

#3F35B9 #B98135 #6DB935

monochromatic

#1F1A5A #2F2789 #3F35B9 #645BD0 #918BDE

Accessibility & contrast

On white

8.67

#3F35B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3F35B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F35B9

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F35B9	#FFFFFF	#000000	##FFFFFF
##3F35B9	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0046B7

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f35b9;
/* rgb */ color: rgb(63, 53, 185);
/* oklch */ color: oklch(43.3% 0.198 277.6);

Tailwind

colors: {
  custom: {
    50: '#846ecf',
    500: '#3f35b9',
    950: '#000000',
  },
}

SCSS

$custom: #3f35b9;
$custom-light: #846ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f35b9",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 185
  },
  "hsl": {
    "h": 244.545,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43311,
    "c": 0.19781,
    "h": 277.6
  },
  "luminance": 0.07106
}

Semantic roles & 50–950 ramp

primary

#3F35B9

secondary

#C3C882

accent

#DF49D3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F35B9

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

Preview Lab → · Contrast checker → · Palette generator →