#3F257E#3F257E

#3F257E is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.4% C 0.142 H 290.7°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F257E
RGB	rgb(63, 37, 126)
HSL	hsl(258, 55%, 32%)
HSV	hsv(258, 71%, 49%)
CMYK	cmyk(50%, 70.6%, 0%, 50.6%)
CIE-LAB	lab(23.29, 34.86, -46.22)
CIE-LCH	lch(23.29, 57.89, 307.03°)
OKLab	oklab(35.39% 0.0502 -0.1325)
OKLCH	oklch(35.39% 0.142 290.7)
XYZ	xyz(6.4763, 3.8860, 20.1435)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F257E #647E25

analogous

#25387E #3F257E #6C257E

triadic

#3F257E #7E3F25 #257E3F

tetradic

#3F257E #7E2538 #647E25 #257E6C

square

#3F257E #7E2538 #647E25 #257E6C

split-complementary

#3F257E #7E6C25 #387E25

monochromatic

#10091F #27174F #3F257E #5733AD #7551CC

Accessibility & contrast

On white

11.82

#3F257E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#3F257E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F257E

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F257E	#FFFFFF	#000000	##FFFFFF
##3F257E	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#2B3B4E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #3f257e;
/* rgb */ color: rgb(63, 37, 126);
/* oklch */ color: oklch(35.4% 0.142 290.7);

Tailwind

colors: {
  custom: {
    50: '#7a61a4',
    500: '#3f257e',
    950: '#000000',
  },
}

SCSS

$custom: #3f257e;
$custom-light: #7a61a4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f257e",
  "rgb": {
    "r": 63,
    "g": 37,
    "b": 126
  },
  "hsl": {
    "h": 257.528,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35393,
    "c": 0.14167,
    "h": 290.7
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#3F257E

secondary

#94B04F

accent

#DE4AB3

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #3F257E

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

Preview Lab → · Contrast checker → · Palette generator →