#641B98#641B98

#641B98 is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.0% C 0.187 H 305.7°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#641B98
RGB	rgb(100, 27, 152)
HSL	hsl(275, 70%, 35%)
HSV	hsv(275, 82%, 60%)
CMYK	cmyk(34.2%, 82.2%, 0%, 40.4%)
CIE-LAB	lab(28.80, 52.86, -53.21)
CIE-LCH	lch(28.80, 75.00, 314.81°)
OKLab	oklab(41.04% 0.1091 -0.1516)
OKLCH	oklch(41.04% 0.187 305.7)
XYZ	xyz(11.3137, 5.7603, 30.2155)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B98 #4F981B

analogous

#261B98 #641B98 #981B8D

triadic

#641B98 #98641B #1B9864

tetradic

#641B98 #98261B #4F981B #1B8D98

square

#641B98 #98261B #4F981B #1B8D98

split-complementary

#641B98 #8D981B #1B9826

monochromatic

#200930 #421264 #641B98 #8624CC #A34EE0

Accessibility & contrast

On white

9.76

#641B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#641B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B98

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B98	#FFFFFF	#000000	##FFFFFF
##641B98	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)

#00429B

Deuteranopia (green-blind)

#004496

Tritanopia (blue-blind)

#5A3D5B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #641b98;
/* rgb */ color: rgb(100, 27, 152);
/* oklch */ color: oklch(41.0% 0.187 305.7);

Tailwind

colors: {
  custom: {
    50: '#9662b7',
    500: '#641b98',
    950: '#000000',
  },
}

SCSS

$custom: #641b98;
$custom-light: #9662b7;
$custom-dark: #000000;

JSON

{
  "hex": "#641b98",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 152
  },
  "hsl": {
    "h": 275.04,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41037,
    "c": 0.18678,
    "h": 305.7
  },
  "luminance": 0.0576
}

Semantic roles & 50–950 ramp

primary

#641B98

secondary

#7EC24D

accent

#ED3B85

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #641B98

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

Preview Lab → · Contrast checker → · Palette generator →