#3F2DA8#3F2DA8

#3F2DA8 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.185 H 280.9°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DA8
RGB	rgb(63, 45, 168)
HSL	hsl(249, 58%, 42%)
HSV	hsv(249, 73%, 66%)
CMYK	cmyk(62.5%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(28.80, 43.37, -63.10)
CIE-LCH	lch(28.80, 76.57, 304.50°)
OKLab	oklab(40.51% 0.0349 -0.182)
OKLCH	oklch(40.51% 0.185 280.9)
XYZ	xyz(10.0539, 5.7599, 37.6202)
Luminance	0.0576 (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

#3F2DA8 #96A82D

analogous

#2D59A8 #3F2DA8 #7C2DA8

triadic

#3F2DA8 #A83F2D #2DA83F

tetradic

#3F2DA8 #A82D59 #96A82D #2DA87C

square

#3F2DA8 #A82D59 #96A82D #2DA87C

split-complementary

#3F2DA8 #A87C2D #59A82D

monochromatic

#1B1347 #2D2078 #3F2DA8 #5945CD #8475DA

Accessibility & contrast

On white

9.76

#3F2DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3F2DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DA8

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DA8	#FFFFFF	#000000	##FFFFFF
##3F2DA8	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#003FA6

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f2da8;
/* rgb */ color: rgb(63, 45, 168);
/* oklch */ color: oklch(40.5% 0.185 280.9);

Tailwind

colors: {
  custom: {
    50: '#8168c3',
    500: '#3f2da8',
    950: '#000000',
  },
}

SCSS

$custom: #3f2da8;
$custom-light: #8168c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2da8",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 248.78,
    "s": 57.746,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40507,
    "c": 0.1853,
    "h": 280.9
  },
  "luminance": 0.05761
}

Semantic roles & 50–950 ramp

primary

#3F2DA8

secondary

#B6C26F

accent

#E147CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2DA8

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

Preview Lab → · Contrast checker → · Palette generator →