#3F30C2#3F30C2

#3F30C2 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.214 H 277.3°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F30C2
RGB	rgb(63, 48, 194)
HSL	hsl(246, 60%, 47%)
HSV	hsv(246, 75%, 76%)
CMYK	cmyk(67.5%, 75.3%, 0%, 23.9%)
CIE-LAB	lab(31.95, 49.87, -73.37)
CIE-LCH	lch(31.95, 88.71, 304.20°)
OKLab	oklab(43.51% 0.0273 -0.212)
OKLCH	oklch(43.51% 0.214 277.3)
XYZ	xyz(12.8413, 7.0646, 51.7154)
Luminance	0.0707 (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

#3F30C2 #B3C230

analogous

#306AC2 #3F30C2 #8830C2

triadic

#3F30C2 #C23F30 #30C23F

tetradic

#3F30C2 #C2306A #B3C230 #30C288

square

#3F30C2 #C2306A #B3C230 #30C288

split-complementary

#3F30C2 #C28830 #6AC230

monochromatic

#1F1860 #2F2491 #3F30C2 #6659D6 #938AE2

Accessibility & contrast

On white

8.70

#3F30C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F30C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30C2

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30C2	#FFFFFF	#000000	##FFFFFF
##3F30C2	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C6

Deuteranopia (green-blind)

#0045BF

Tritanopia (blue-blind)

#005A77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f30c2;
/* rgb */ color: rgb(63, 48, 194);
/* oklch */ color: oklch(43.5% 0.214 277.3);

Tailwind

colors: {
  custom: {
    50: '#866bd6',
    500: '#3f30c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f30c2;
$custom-light: #866bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30c2",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 194
  },
  "hsl": {
    "h": 246.164,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43513,
    "c": 0.21373,
    "h": 277.3
  },
  "luminance": 0.07066
}

Semantic roles & 50–950 ramp

primary

#3F30C2

secondary

#C4CC82

accent

#E344D3

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F30C2

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

Preview Lab → · Contrast checker → · Palette generator →