#6831A5
Closest named color: Rebecca Purple (#663399). oklch(44.9% 0.177 301.2), rgb(104, 49, 165).
Aa
White text reads best on this color (8.16:1).
About this color
#6831A5 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.177 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 0.020 away. White text reads best on it, at 8.16:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #6831A5 |
| RGB | rgb(104, 49, 165) |
| HSL | hsl(268, 54%, 42%) |
| OKLCH | oklch(44.9% 0.177 301.2) |
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 #6831A5 | 8.16:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #6831A5 | 2.57:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #6831A5 text on white | 8.16:1 | AAA | Lc 87.6 | Fine for body text |
| #6831A5 text on black | 2.57:1 | Fails | Lc -14.6 | 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
#EDE6FB
oklch(93.7% 0.029 301)
-
Step 200
200
#DFD1FA
oklch(88.5% 0.058 300.8)
-
Step 300
300
#CCB1F9
oklch(80.9% 0.103 301.3)
-
Step 400
400
#B385F6
oklch(70.7% 0.165 301.1)
-
Step 500
500
#A260F2
oklch(63.1% 0.211 301.4)
-
Step 600
600
#8D40E1
oklch(55.6% 0.23 300.9)
-
Step 700
700
#782FC3
oklch(49% 0.214 301)
-
Step 800
800 (this color)
#6831A5
oklch(44.9% 0.177 301.2)
-
Step 900
900
#50287D
oklch(37.7% 0.138 301.7)
-
Step 950
950
#2E1949
oklch(26.9% 0.086 300.9)
#6831A5 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) | #004FA8 | 0.127 |
| Deuteranopia (no green cones) | #004FA3 | 0.128 |
| Tritanopia (no blue cones) | #5B4D67 | 0.132 |
| Achromatopsia (no color) | #4F4F4F | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6831A5
#6831A5
oklch(44.9% 0.177 301.2)
- #4C5D00
#4C5D00
oklch(44.8% 0.108 121.2)
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 #6831A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Grape #7209B7 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Blueberry #464196 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.074
- Blurple #5539CC ΔE 0.074
Use #6831A5 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.