#631D9D#631D9D
#631D9D is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.5% C 0.190 H 303.5°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).
Color values
| HEX | #631D9D |
|---|---|
| RGB | rgb(99, 29, 157) |
| HSL | hsl(273, 69%, 36%) |
| HSV | hsv(273, 82%, 62%) |
| CMYK | cmyk(36.9%, 81.5%, 0%, 38.4%) |
| CIE-LAB | lab(29.33, 53.14, -55.41) |
| CIE-LCH | lch(29.33, 76.78, 313.80°) |
| OKLab | oklab(41.51% 0.1046 -0.1581) |
| OKLCH | oklch(41.51% 0.19 303.5) |
| XYZ | xyz(11.6693, 5.9657, 32.4285) |
| Luminance | 0.0597 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 4.25
Purple (survey)
#7E1E9C
ΔE00 5.31
Indigo
#4B0082
ΔE00 6.49
Violet Blue
#510AC9
ΔE00 6.81
Indigo Blue
#3A18B1
ΔE00 6.93
Purple Blue
#5D21D0
ΔE00 7.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#631D9D #579D1D
analogous
#231D9D #631D9D #9D1D97
triadic
#631D9D #9D631D #1D9D63
tetradic
#631D9D #9D231D #579D1D #1D979D
square
#631D9D #9D231D #579D1D #1D979D
split-complementary
#631D9D #979D1D #1D9D23
monochromatic
#220A36 #421369 #631D9D #8427D1 #A155E0
Accessibility & contrast
On white
9.58
#631D9D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.19
#631D9D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #631D9D
9.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##631D9D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##631D9D | 1.00 | 9.58 | 2.19 | 9.58 |
| #FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0044A0
Deuteranopia (green-blind)
#00459B
Tritanopia (blue-blind)
#57405E
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #631d9d; /* rgb */ color: rgb(99, 29, 157); /* oklch */ color: oklch(41.5% 0.190 303.5);
Tailwind
colors: {
custom: {
50: '#9563bb',
500: '#631d9d',
950: '#000000',
},
}SCSS
$custom: #631d9d; $custom-light: #9563bb; $custom-dark: #000000;
JSON
{
"hex": "#631d9d",
"rgb": {
"r": 99,
"g": 29,
"b": 157
},
"hsl": {
"h": 272.813,
"s": 68.817,
"l": 36.471
},
"oklch": {
"l": 0.41506,
"c": 0.18962,
"h": 303.5
},
"luminance": 0.05966
}Semantic roles & 50–950 ramp
primary
#631D9D
secondary
#86C353
accent
#EC3C8C
background
#F9F6FB
surface
#F2EBF6
border
#CCC6D0
text
#0E0612
muted
#7E7A81