#3F38C4#3F38C4

#3F38C4 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.8% C 0.208 H 276.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F38C4
RGB	rgb(63, 56, 196)
HSL	hsl(243, 56%, 49%)
HSV	hsv(243, 71%, 77%)
CMYK	cmyk(67.9%, 71.4%, 0%, 23.1%)
CIE-LAB	lab(33.71, 46.13, -71.65)
CIE-LCH	lch(33.71, 85.21, 302.77°)
OKLab	oklab(44.82% 0.0222 -0.207)
OKLCH	oklch(44.82% 0.208 276.1)
XYZ	xyz(13.4246, 7.8694, 53.0253)
Luminance	0.0787 (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

#3F38C4 #BDC438

analogous

#3877C4 #3F38C4 #8538C4

triadic

#3F38C4 #C43F38 #38C43F

tetradic

#3F38C4 #C43877 #BDC438 #38C485

square

#3F38C4 #C43877 #BDC438 #38C485

split-complementary

#3F38C4 #C48538 #77C438

monochromatic

#201D65 #302A94 #3F38C4 #6B66D3 #9996E1

Accessibility & contrast

On white

8.16

#3F38C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3F38C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38C4

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38C4	#FFFFFF	#000000	##FFFFFF
##3F38C4	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0049C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f38c4;
/* rgb */ color: rgb(63, 56, 196);
/* oklch */ color: oklch(44.8% 0.208 276.1);

Tailwind

colors: {
  custom: {
    50: '#8670d7',
    500: '#3f38c4',
    950: '#000000',
  },
}

SCSS

$custom: #3f38c4;
$custom-light: #8670d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38c4",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 196
  },
  "hsl": {
    "h": 243,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44818,
    "c": 0.20819,
    "h": 276.1
  },
  "luminance": 0.07871
}

Semantic roles & 50–950 ramp

primary

#3F38C4

secondary

#C9CC8C

accent

#DF49D7

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F38C4

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

Preview Lab → · Contrast checker → · Palette generator →