#3F257D#3F257D

#3F257D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.3% C 0.140 H 291.0°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F257D
RGB	rgb(63, 37, 125)
HSL	hsl(258, 54%, 32%)
HSV	hsv(258, 70%, 49%)
CMYK	cmyk(49.6%, 70.4%, 0%, 51%)
CIE-LAB	lab(23.20, 34.56, -45.73)
CIE-LCH	lch(23.20, 57.32, 307.08°)
OKLab	oklab(35.3% 0.0504 -0.131)
OKLCH	oklch(35.3% 0.14 291)
XYZ	xyz(6.4121, 3.8603, 19.8053)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F257D #637D25

analogous

#25377D #3F257D #6B257D

triadic

#3F257D #7D3F25 #257D3F

tetradic

#3F257D #7D2537 #637D25 #257D6B

square

#3F257D #7D2537 #637D25 #257D6B

split-complementary

#3F257D #7D6B25 #377D25

monochromatic

#0F091F #27174E #3F257D #5733AC #7551CB

Accessibility & contrast

On white

11.85

#3F257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#3F257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F257D

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F257D	#FFFFFF	#000000	##FFFFFF
##3F257D	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#2B3B4E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3f257d;
/* rgb */ color: rgb(63, 37, 125);
/* oklch */ color: oklch(35.3% 0.140 291.0);

Tailwind

colors: {
  custom: {
    50: '#7a61a3',
    500: '#3f257d',
    950: '#000000',
  },
}

SCSS

$custom: #3f257d;
$custom-light: #7a61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f257d",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 257.727,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35304,
    "c": 0.14037,
    "h": 291
  },
  "luminance": 0.03861
}

Semantic roles & 50–950 ramp

primary

#3F257D

secondary

#93AF4F

accent

#DE4AB2

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #3F257D

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

Preview Lab → · Contrast checker → · Palette generator →