#6D31A7
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.18 303.1), rgb(109, 49, 167).
Aa
White text reads best on this color (7.93:1).
About this color
#6D31A7 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.180 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.026 away. White text reads best on it, at 7.93:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #6D31A7 |
| RGB | rgb(109, 49, 167) |
| HSL | hsl(271, 55%, 42%) |
| OKLCH | oklch(45.7% 0.18 303.1) |
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 #6D31A7 | 7.93:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #6D31A7 | 2.64:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #6D31A7 text on white | 7.93:1 | AAA | Lc 86.8 | Fine for body text |
| #6D31A7 text on black | 2.64:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E1D0FA
oklch(88.5% 0.06 303.6)
-
Step 300
300
#CEB0F9
oklch(80.9% 0.106 302.9)
-
Step 400
400
#B683F6
oklch(70.7% 0.169 302.8)
-
Step 500
500
#A55DF2
oklch(63% 0.216 302.9)
-
Step 600
600
#913CE0
oklch(55.6% 0.234 303)
-
Step 700
700
#7C2BC3
oklch(49.1% 0.219 303.1)
-
Step 800
800 (this color)
#6D31A7
oklch(45.7% 0.18 303.1)
-
Step 900
900
#52277D
oklch(37.8% 0.14 303.2)
-
Step 950
950
#301849
oklch(27% 0.089 303.6)
#6D31A7 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) | #0050AA | 0.134 |
| Deuteranopia (no green cones) | #0051A5 | 0.136 |
| Tritanopia (no blue cones) | #614D68 | 0.133 |
| Achromatopsia (no color) | #515151 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D31A7
#6D31A7
oklch(45.7% 0.18 303.1)
- #4B6000
#4B6000
oklch(45.5% 0.112 123.2)
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 #6D31A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.026
- Grape #7209B7 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.071
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Blurple #5539CC ΔE 0.076
- Purple Blue #5D21D0 ΔE 0.078
- Blueberry #464196 ΔE 0.079
Use #6D31A7 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.