#3F2CA8#3F2CA8

#3F2CA8 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.186 H 281.0°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA8
RGB	rgb(63, 44, 168)
HSL	hsl(249, 58%, 42%)
HSV	hsv(249, 74%, 66%)
CMYK	cmyk(62.5%, 73.8%, 0%, 34.1%)
CIE-LAB	lab(28.60, 43.92, -63.42)
CIE-LCH	lch(28.60, 77.15, 304.70°)
OKLab	oklab(40.37% 0.0356 -0.1829)
OKLCH	oklch(40.37% 0.186 281)
XYZ	xyz(10.0162, 5.6845, 37.6076)
Luminance	0.0568 (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

#3F2CA8 #95A82C

analogous

#2C57A8 #3F2CA8 #7D2CA8

triadic

#3F2CA8 #A83F2C #2CA83F

tetradic

#3F2CA8 #A82C57 #95A82C #2CA87D

square

#3F2CA8 #A82C57 #95A82C #2CA87D

split-complementary

#3F2CA8 #A87D2C #57A82C

monochromatic

#1B1347 #2D1F78 #3F2CA8 #5943CE #8474DB

Accessibility & contrast

On white

9.83

#3F2CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F2CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA8

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA8	#FFFFFF	#000000	##FFFFFF
##3F2CA8	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#003FA6

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2ca8;
/* rgb */ color: rgb(63, 44, 168);
/* oklch */ color: oklch(40.4% 0.186 281.0);

Tailwind

colors: {
  custom: {
    50: '#8168c3',
    500: '#3f2ca8',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca8;
$custom-light: #8168c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca8",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 168
  },
  "hsl": {
    "h": 249.194,
    "s": 58.491,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40368,
    "c": 0.18636,
    "h": 281
  },
  "luminance": 0.05685
}

Semantic roles & 50–950 ramp

primary

#3F2CA8

secondary

#B5C26E

accent

#E246CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2CA8

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

Preview Lab → · Contrast checker → · Palette generator →