#3F30C0#3F30C0

#3F30C0 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.211 H 277.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F30C0
RGB	rgb(63, 48, 192)
HSL	hsl(246, 60%, 47%)
HSV	hsv(246, 75%, 75%)
CMYK	cmyk(67.2%, 75%, 0%, 24.7%)
CIE-LAB	lab(31.75, 49.25, -72.53)
CIE-LCH	lch(31.75, 87.67, 304.18°)
OKLab	oklab(43.31% 0.0277 -0.2095)
OKLCH	oklch(43.31% 0.211 277.5)
XYZ	xyz(12.6182, 6.9753, 50.5404)
Luminance	0.0698 (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

#3F30C0 #B1C030

analogous

#3069C0 #3F30C0 #8730C0

triadic

#3F30C0 #C03F30 #30C03F

tetradic

#3F30C0 #C03069 #B1C030 #30C087

square

#3F30C0 #C03069 #B1C030 #30C087

split-complementary

#3F30C0 #C08730 #69C030

monochromatic

#1F185E #2F248F #3F30C0 #6558D5 #9289E1

Accessibility & contrast

On white

8.77

#3F30C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F30C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30C0

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30C0	#FFFFFF	#000000	##FFFFFF
##3F30C0	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C4

Deuteranopia (green-blind)

#0045BD

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f30c0;
/* rgb */ color: rgb(63, 48, 192);
/* oklch */ color: oklch(43.3% 0.211 277.5);

Tailwind

colors: {
  custom: {
    50: '#866bd4',
    500: '#3f30c0',
    950: '#000000',
  },
}

SCSS

$custom: #3f30c0;
$custom-light: #866bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30c0",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 192
  },
  "hsl": {
    "h": 246.25,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4331,
    "c": 0.21135,
    "h": 277.5
  },
  "luminance": 0.06976
}

Semantic roles & 50–950 ramp

primary

#3F30C0

secondary

#C4CB80

accent

#E345D3

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F30C0

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

Preview Lab → · Contrast checker → · Palette generator →