#3F38C2#3F38C2

#3F38C2 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.206 H 276.3°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F38C2
RGB	rgb(63, 56, 194)
HSL	hsl(243, 55%, 49%)
HSV	hsv(243, 71%, 76%)
CMYK	cmyk(67.5%, 71.1%, 0%, 23.9%)
CIE-LAB	lab(33.52, 45.48, -70.79)
CIE-LCH	lch(33.52, 84.14, 302.72°)
OKLab	oklab(44.62% 0.0226 -0.2045)
OKLCH	oklch(44.62% 0.206 276.3)
XYZ	xyz(13.1985, 7.7790, 51.8344)
Luminance	0.0778 (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

#3F38C2 #BBC238

analogous

#3876C2 #3F38C2 #8438C2

triadic

#3F38C2 #C23F38 #38C23F

tetradic

#3F38C2 #C23876 #BBC238 #38C284

square

#3F38C2 #C23876 #BBC238 #38C284

split-complementary

#3F38C2 #C28438 #76C238

monochromatic

#201D63 #302A93 #3F38C2 #6A65D2 #9894E0

Accessibility & contrast

On white

8.22

#3F38C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3F38C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38C2

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38C2	#FFFFFF	#000000	##FFFFFF
##3F38C2	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f38c2;
/* rgb */ color: rgb(63, 56, 194);
/* oklch */ color: oklch(44.6% 0.206 276.3);

Tailwind

colors: {
  custom: {
    50: '#8570d6',
    500: '#3f38c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f38c2;
$custom-light: #8570d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38c2",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 194
  },
  "hsl": {
    "h": 243.043,
    "s": 55.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44624,
    "c": 0.20574,
    "h": 276.3
  },
  "luminance": 0.0778
}

Semantic roles & 50–950 ramp

primary

#3F38C2

secondary

#C8CB8A

accent

#DF49D7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #3F38C2

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

Preview Lab → · Contrast checker → · Palette generator →