#3F24D1#3F24D1

#3F24D1 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.8% C 0.241 H 276.8°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F24D1
RGB	rgb(63, 36, 209)
HSL	hsl(249, 71%, 48%)
HSV	hsv(249, 83%, 82%)
CMYK	cmyk(69.9%, 82.8%, 0%, 18%)
CIE-LAB	lab(31.63, 59.94, -82.67)
CIE-LCH	lch(31.63, 102.11, 305.94°)
OKLab	oklab(43.76% 0.0286 -0.2389)
OKLCH	oklch(43.76% 0.241 276.8)
XYZ	xyz(14.1857, 6.9206, 60.8975)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F24D1 #B6D124

analogous

#2460D1 #3F24D1 #9524D1

triadic

#3F24D1 #D13F24 #24D13F

tetradic

#3F24D1 #D12460 #B6D124 #24D195

square

#3F24D1 #D12460 #B6D124 #24D195

split-complementary

#3F24D1 #D19524 #60D124

monochromatic

#201269 #2F1B9D #3F24D1 #6851E1 #9585EA

Accessibility & contrast

On white

8.81

#3F24D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3F24D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F24D1

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F24D1	#FFFFFF	#000000	##FFFFFF
##3F24D1	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051D6

Deuteranopia (green-blind)

#0043CE

Tritanopia (blue-blind)

#005C7D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f24d1;
/* rgb */ color: rgb(63, 36, 209);
/* oklch */ color: oklch(43.8% 0.241 276.8);

Tailwind

colors: {
  custom: {
    50: '#8a66e1',
    500: '#3f24d1',
    950: '#000000',
  },
}

SCSS

$custom: #3f24d1;
$custom-light: #8a66e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f24d1",
  "rgb": {
    "r": 63,
    "g": 36,
    "b": 209
  },
  "hsl": {
    "h": 249.364,
    "s": 70.612,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43759,
    "c": 0.24057,
    "h": 276.8
  },
  "luminance": 0.06922
}

Semantic roles & 50–950 ramp

primary

#3F24D1

secondary

#C6D37E

accent

#ED3AD1

background

#F9F6FE

surface

#F2EBFC

border

#CCC6D5

text

#0E0615

muted

#7E7A84

Preview Lab

Preview with #3F24D1

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

Preview Lab → · Contrast checker → · Palette generator →