#3F23D4#3F23D4

#3F23D4 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 44.0% C 0.245 H 276.6°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F23D4
RGB	rgb(63, 35, 212)
HSL	hsl(249, 72%, 48%)
HSV	hsv(249, 83%, 83%)
CMYK	cmyk(70.3%, 83.5%, 0%, 16.9%)
CIE-LAB	lab(31.83, 61.18, -84.07)
CIE-LCH	lch(31.83, 103.97, 306.05°)
OKLab	oklab(44% 0.0281 -0.2429)
OKLCH	oklch(44% 0.245 276.6)
XYZ	xyz(14.5307, 7.0109, 62.8621)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F23D4 #B8D423

analogous

#235FD4 #3F23D4 #9823D4

triadic

#3F23D4 #D43F23 #23D43F

tetradic

#3F23D4 #D4235F #B8D423 #23D498

square

#3F23D4 #D4235F #B8D423 #23D498

split-complementary

#3F23D4 #D49823 #5FD423

monochromatic

#20126B #2F1A9F #3F23D4 #6952E2 #9686EB

Accessibility & contrast

On white

8.74

#3F23D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F23D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F23D4

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F23D4	#FFFFFF	#000000	##FFFFFF
##3F23D4	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D9

Deuteranopia (green-blind)

#0043D1

Tritanopia (blue-blind)

#005D7F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f23d4;
/* rgb */ color: rgb(63, 35, 212);
/* oklch */ color: oklch(44.0% 0.245 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b65e3',
    500: '#3f23d4',
    950: '#000000',
  },
}

SCSS

$custom: #3f23d4;
$custom-light: #8b65e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f23d4",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 212
  },
  "hsl": {
    "h": 249.492,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44,
    "c": 0.24451,
    "h": 276.6
  },
  "luminance": 0.07012
}

Semantic roles & 50–950 ramp

primary

#3F23D4

secondary

#C7D47E

accent

#EE39D2

background

#F9F6FE

surface

#F2EBFC

border

#CCC6D5

text

#0E0616

muted

#7E7A84

Preview Lab

Preview with #3F23D4

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

Preview Lab → · Contrast checker → · Palette generator →