#3F2D9B#3F2D9B

#3F2D9B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.3% C 0.169 H 282.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F2D9B
RGB	rgb(63, 45, 155)
HSL	hsl(250, 55%, 39%)
HSV	hsv(250, 71%, 61%)
CMYK	cmyk(59.4%, 71%, 0%, 39.2%)
CIE-LAB	lab(27.57, 39.26, -57.23)
CIE-LCH	lch(27.57, 69.41, 304.45°)
OKLab	oklab(39.26% 0.0375 -0.1648)
OKLCH	oklch(39.26% 0.169 282.8)
XYZ	xyz(8.9028, 5.2995, 31.5578)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2D9B #899B2D

analogous

#2D529B #3F2D9B #762D9B

triadic

#3F2D9B #9B3F2D #2D9B3F

tetradic

#3F2D9B #9B2D52 #899B2D #2D9B76

square

#3F2D9B #9B2D52 #899B2D #2D9B76

split-complementary

#3F2D9B #9B762D #529B2D

monochromatic

#18113C #2C1F6C #3F2D9B #553EC7 #7E6ED5

Accessibility & contrast

On white

10.19

#3F2D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3F2D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2D9B

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2D9B	#FFFFFF	#000000	##FFFFFF
##3F2D9B	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#064A60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f2d9b;
/* rgb */ color: rgb(63, 45, 155);
/* oklch */ color: oklch(39.3% 0.169 282.8);

Tailwind

colors: {
  custom: {
    50: '#7f68b9',
    500: '#3f2d9b',
    950: '#000000',
  },
}

SCSS

$custom: #3f2d9b;
$custom-light: #7f68b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2d9b",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 155
  },
  "hsl": {
    "h": 249.818,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39259,
    "c": 0.16903,
    "h": 282.8
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#3F2D9B

secondary

#AEBC68

accent

#DE49C6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2D9B

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

Preview Lab → · Contrast checker → · Palette generator →