#6831AA
Closest named color: Rebecca Purple (#663399). oklch(45.3% 0.183 299.8), rgb(104, 49, 170).
Aa
White text reads best on this color (8.05:1).
About this color
#6831AA is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.183 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #6831AA |
| RGB | rgb(104, 49, 170) |
| HSL | hsl(267, 55%, 43%) |
| OKLCH | oklch(45.3% 0.183 299.8) |
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 #6831AA | 8.05:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #6831AA | 2.60:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #6831AA text on white | 8.05:1 | AAA | Lc 87.2 | Fine for body text |
| #6831AA text on black | 2.60:1 | Fails | Lc -14.9 | Not readable |
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
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CBB1FC
oklch(80.9% 0.107 299.9)
-
Step 400
400
#B284FA
oklch(70.7% 0.171 300)
-
Step 500
500
#A05FF7
oklch(63.1% 0.218 299.8)
-
Step 600
600
#8C3DE6
oklch(55.6% 0.238 299.8)
-
Step 700
700
#772DC8
oklch(49.1% 0.221 299.7)
-
Step 800
800 (this color)
#6831AA
oklch(45.3% 0.183 299.8)
-
Step 900
900
#4F2780
oklch(37.7% 0.143 300.2)
-
Step 950
950
#2E194B
oklch(27.1% 0.089 299.8)
#6831AA 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) | #0050AE | 0.126 |
| Deuteranopia (no green cones) | #004FA8 | 0.127 |
| Tritanopia (no blue cones) | #594E6A | 0.136 |
| Achromatopsia (no color) | #505050 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6831AA
#6831AA
oklch(45.3% 0.183 299.8)
- #4F5E00
#4F5E00
oklch(45.3% 0.107 119.9)
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 #6831AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Grape #7209B7 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.063
- Blurple #5539CC ΔE 0.067
- Purple Blue #5D21D0 ΔE 0.069
- Blueberry #464196 ΔE 0.073
Use #6831AA 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.