#3F30D0#3F30D0

#3F30D0 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 45.0% C 0.230 H 276.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F30D0
RGB	rgb(63, 48, 208)
HSL	hsl(246, 63%, 50%)
HSV	hsv(246, 77%, 82%)
CMYK	cmyk(69.7%, 76.9%, 0%, 18.4%)
CIE-LAB	lab(33.40, 54.16, -79.15)
CIE-LCH	lch(33.40, 95.91, 304.38°)
OKLab	oklab(44.96% 0.0241 -0.2288)
OKLCH	oklch(44.96% 0.23 276)
XYZ	xyz(14.4883, 7.7234, 60.3895)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.12

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F30D0 #C1D030

analogous

#3071D0 #3F30D0 #8F30D0

triadic

#3F30D0 #D03F30 #30D03F

tetradic

#3F30D0 #D03071 #C1D030 #30D08F

square

#3F30D0 #D03071 #C1D030 #30D08F

split-complementary

#3F30D0 #D08F30 #71D030

monochromatic

#21196D #30249F #3F30D0 #6D62DB #9C94E7

Accessibility & contrast

On white

8.25

#3F30D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3F30D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30D0

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30D0	#FFFFFF	#000000	##FFFFFF
##3F30D0	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D5

Deuteranopia (green-blind)

#0047CD

Tritanopia (blue-blind)

#00607F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f30d0;
/* rgb */ color: rgb(63, 48, 208);
/* oklch */ color: oklch(45.0% 0.230 276.0);

Tailwind

colors: {
  custom: {
    50: '#896ce0',
    500: '#3f30d0',
    950: '#000000',
  },
}

SCSS

$custom: #3f30d0;
$custom-light: #896ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30d0",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 208
  },
  "hsl": {
    "h": 245.625,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44959,
    "c": 0.23007,
    "h": 276
  },
  "luminance": 0.07725
}

Semantic roles & 50–950 ramp

primary

#3F30D0

secondary

#CBD28A

accent

#E642D7

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F30D0

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

Preview Lab → · Contrast checker → · Palette generator →