#3F3BCB#3F3BCB

#3F3BCB is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.9% C 0.214 H 275.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BCB
RGB	rgb(63, 59, 203)
HSL	hsl(242, 58%, 51%)
HSV	hsv(242, 71%, 80%)
CMYK	cmyk(69%, 70.9%, 0%, 20.4%)
CIE-LAB	lab(34.99, 46.69, -73.62)
CIE-LCH	lch(34.99, 87.17, 302.38°)
OKLab	oklab(45.94% 0.0193 -0.2128)
OKLCH	oklch(45.94% 0.214 275.2)
XYZ	xyz(14.3898, 8.4951, 57.3697)
Luminance	0.0850 (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

#3F3BCB #C7CB3B

analogous

#3B7FCB #3F3BCB #873BCB

triadic

#3F3BCB #CB3F3B #3BCB3F

tetradic

#3F3BCB #CB3B7F #C7CB3B #3BCB87

square

#3F3BCB #CB3B7F #C7CB3B #3BCB87

split-complementary

#3F3BCB #CB873B #7FCB3B

monochromatic

#201D6E #2D2A9F #3F3BCB #6E6BD8 #9E9CE5

Accessibility & contrast

On white

7.78

#3F3BCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3F3BCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BCB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BCB	#FFFFFF	#000000	##FFFFFF
##3F3BCB	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CF

Deuteranopia (green-blind)

#004CC8

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3bcb;
/* rgb */ color: rgb(63, 59, 203);
/* oklch */ color: oklch(45.9% 0.214 275.2);

Tailwind

colors: {
  custom: {
    50: '#8772dc',
    500: '#3f3bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bcb;
$custom-light: #8772dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bcb",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 203
  },
  "hsl": {
    "h": 241.667,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.45938,
    "c": 0.21364,
    "h": 275.2
  },
  "luminance": 0.08496
}

Semantic roles & 50–950 ramp

primary

#3F3BCB

secondary

#CFD191

accent

#E147DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3BCB

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

Preview Lab → · Contrast checker → · Palette generator →