#3F34BA#3F34BA

#3F34BA is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.3% C 0.200 H 277.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F34BA
RGB	rgb(63, 52, 186)
HSL	hsl(245, 56%, 47%)
HSV	hsv(245, 72%, 73%)
CMYK	cmyk(66.1%, 72%, 0%, 27.1%)
CIE-LAB	lab(31.94, 45.17, -68.68)
CIE-LCH	lch(31.94, 82.20, 303.33°)
OKLab	oklab(43.26% 0.0265 -0.1983)
OKLCH	oklch(43.26% 0.2 277.6)
XYZ	xyz(12.1379, 7.0569, 47.1673)
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

#3F34BA #AFBA34

analogous

#346CBA #3F34BA #8234BA

triadic

#3F34BA #BA3F34 #34BA3F

tetradic

#3F34BA #BA346C #AFBA34 #34BA82

square

#3F34BA #BA346C #AFBA34 #34BA82

split-complementary

#3F34BA #BA8234 #6CBA34

monochromatic

#1F195A #2F278A #3F34BA #645AD1 #918ADE

Accessibility & contrast

On white

8.71

#3F34BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F34BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34BA

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34BA	#FFFFFF	#000000	##FFFFFF
##3F34BA	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0045B8

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f34ba;
/* rgb */ color: rgb(63, 52, 186);
/* oklch */ color: oklch(43.3% 0.200 277.6);

Tailwind

colors: {
  custom: {
    50: '#846dd0',
    500: '#3f34ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f34ba;
$custom-light: #846dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34ba",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 186
  },
  "hsl": {
    "h": 244.925,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43263,
    "c": 0.2001,
    "h": 277.6
  },
  "luminance": 0.07058
}

Semantic roles & 50–950 ramp

primary

#3F34BA

secondary

#C3C881

accent

#E048D3

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F34BA

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

Preview Lab → · Contrast checker → · Palette generator →