#3F30C1#3F30C1

#3F30C1 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.4% C 0.213 H 277.4°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F30C1
RGB	rgb(63, 48, 193)
HSL	hsl(246, 60%, 47%)
HSV	hsv(246, 75%, 76%)
CMYK	cmyk(67.4%, 75.1%, 0%, 24.3%)
CIE-LAB	lab(31.85, 49.56, -72.95)
CIE-LCH	lch(31.85, 88.19, 304.19°)
OKLab	oklab(43.41% 0.0275 -0.2107)
OKLCH	oklch(43.41% 0.213 277.4)
XYZ	xyz(12.7294, 7.0198, 51.1259)
Luminance	0.0702 (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

#3F30C1 #B2C130

analogous

#3069C1 #3F30C1 #8830C1

triadic

#3F30C1 #C13F30 #30C13F

tetradic

#3F30C1 #C13069 #B2C130 #30C188

square

#3F30C1 #C13069 #B2C130 #30C188

split-complementary

#3F30C1 #C18830 #69C130

monochromatic

#1F185F #2F2490 #3F30C1 #6659D6 #938AE2

Accessibility & contrast

On white

8.73

#3F30C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F30C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30C1

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30C1	#FFFFFF	#000000	##FFFFFF
##3F30C1	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C5

Deuteranopia (green-blind)

#0045BE

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f30c1;
/* rgb */ color: rgb(63, 48, 193);
/* oklch */ color: oklch(43.4% 0.213 277.4);

Tailwind

colors: {
  custom: {
    50: '#866bd5',
    500: '#3f30c1',
    950: '#000000',
  },
}

SCSS

$custom: #3f30c1;
$custom-light: #866bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30c1",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 193
  },
  "hsl": {
    "h": 246.207,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43412,
    "c": 0.21254,
    "h": 277.4
  },
  "luminance": 0.07021
}

Semantic roles & 50–950 ramp

primary

#3F30C1

secondary

#C4CC81

accent

#E344D3

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F30C1

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

Preview Lab → · Contrast checker → · Palette generator →