#3F2CA9#3F2CA9

#3F2CA9 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.5% C 0.188 H 280.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CA9
RGB	rgb(63, 44, 169)
HSL	hsl(249, 59%, 42%)
HSV	hsv(249, 74%, 66%)
CMYK	cmyk(62.7%, 74%, 0%, 33.7%)
CIE-LAB	lab(28.70, 44.23, -63.87)
CIE-LCH	lch(28.70, 77.69, 304.71°)
OKLab	oklab(40.47% 0.0354 -0.1842)
OKLCH	oklch(40.47% 0.188 280.9)
XYZ	xyz(10.1098, 5.7219, 38.1001)
Luminance	0.0572 (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

#3F2CA9 #96A92C

analogous

#2C58A9 #3F2CA9 #7E2CA9

triadic

#3F2CA9 #A93F2C #2CA93F

tetradic

#3F2CA9 #A92C58 #96A92C #2CA97E

square

#3F2CA9 #A92C58 #96A92C #2CA97E

split-complementary

#3F2CA9 #A97E2C #58A92C

monochromatic

#1B1348 #2D1F78 #3F2CA9 #5944CE #8474DB

Accessibility & contrast

On white

9.79

#3F2CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F2CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CA9

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CA9	#FFFFFF	#000000	##FFFFFF
##3F2CA9	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AD

Deuteranopia (green-blind)

#003FA7

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f2ca9;
/* rgb */ color: rgb(63, 44, 169);
/* oklch */ color: oklch(40.5% 0.188 280.9);

Tailwind

colors: {
  custom: {
    50: '#8168c4',
    500: '#3f2ca9',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ca9;
$custom-light: #8168c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ca9",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 169
  },
  "hsl": {
    "h": 249.12,
    "s": 58.685,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40466,
    "c": 0.18759,
    "h": 280.9
  },
  "luminance": 0.05723
}

Semantic roles & 50–950 ramp

primary

#3F2CA9

secondary

#B6C36E

accent

#E246CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2CA9

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

Preview Lab → · Contrast checker → · Palette generator →