#6D31AD
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.187 301.5), rgb(109, 49, 173).
Aa
White text reads best on this color (7.79:1).
About this color
#6D31AD is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.187 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 7.79:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #6D31AD |
| RGB | rgb(109, 49, 173) |
| HSL | hsl(269, 56%, 44%) |
| OKLCH | oklch(46.1% 0.187 301.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6D31AD | 7.79:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #6D31AD | 2.69:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #6D31AD text on white | 7.79:1 | AAA | Lc 86.3 | Fine for body text |
| #6D31AD text on black | 2.69:1 | Fails | Lc -15.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F2
oklch(80.9% 0.091 301.8)
-
Step 400
400
#B189EB
oklch(70.7% 0.144 301.6)
-
Step 500
500
#9F68E5
oklch(63.2% 0.184 301.7)
-
Step 600
600
#8A4BD3
oklch(55.6% 0.201 301.4)
-
Step 700
700 (this color)
#6D31AD
oklch(46.1% 0.187 301.5)
-
Step 800
800
#5F3294
oklch(42.7% 0.154 301.2)
-
Step 900
900
#4E2D76
oklch(37.7% 0.121 301.7)
-
Step 950
950
#2D1B45
oklch(26.9% 0.077 301.2)
#6D31AD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0051B1 | 0.133 |
| Deuteranopia (no green cones) | #0051AA | 0.134 |
| Tritanopia (no blue cones) | #5F4F6C | 0.137 |
| Achromatopsia (no color) | #525252 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D31AD
#6D31AD
oklch(46.1% 0.187 301.5)
- #4F6100
#4F6100
oklch(46.1% 0.111 121.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6D31AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Grape #7209B7 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Blurple #5539CC ΔE 0.069
- Purple Blue #5D21D0 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.070
- Blueberry #464196 ΔE 0.082
Use #6D31AD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.