#3F2F97#3F2F97

#3F2F97 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.161 H 283.0°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F2F97
RGB	rgb(63, 47, 151)
HSL	hsl(249, 53%, 39%)
HSV	hsv(249, 69%, 59%)
CMYK	cmyk(58.3%, 68.9%, 0%, 40.8%)
CIE-LAB	lab(27.64, 36.82, -54.68)
CIE-LCH	lch(27.64, 65.92, 303.95°)
OKLab	oklab(39.2% 0.0364 -0.1573)
OKLCH	oklch(39.2% 0.161 283)
XYZ	xyz(8.6506, 5.3236, 29.8439)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2F97 #87972F

analogous

#2F5397 #3F2F97 #732F97

triadic

#3F2F97 #973F2F #2F973F

tetradic

#3F2F97 #972F53 #87972F #2F9773

square

#3F2F97 #972F53 #87972F #2F9773

split-complementary

#3F2F97 #97732F #53972F

monochromatic

#18123A #2C2068 #3F2F97 #5440C3 #7E6ED2

Accessibility & contrast

On white

10.17

#3F2F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3F2F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2F97

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2F97	#FFFFFF	#000000	##FFFFFF
##3F2F97	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#0F4A5F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f2f97;
/* rgb */ color: rgb(63, 47, 151);
/* oklch */ color: oklch(39.2% 0.161 283.0);

Tailwind

colors: {
  custom: {
    50: '#7e69b7',
    500: '#3f2f97',
    950: '#000000',
  },
}

SCSS

$custom: #3f2f97;
$custom-light: #7e69b7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2f97",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 151
  },
  "hsl": {
    "h": 249.231,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39195,
    "c": 0.16149,
    "h": 283
  },
  "luminance": 0.05324
}

Semantic roles & 50–950 ramp

primary

#3F2F97

secondary

#ADB968

accent

#DC4CC6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #3F2F97

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

Preview Lab → · Contrast checker → · Palette generator →