#6831B0
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.189 298.3), rgb(104, 49, 176).
Aa
White text reads best on this color (7.91:1).
About this color
#6831B0 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.189 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 7.91:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #6831B0 |
| RGB | rgb(104, 49, 176) |
| HSL | hsl(266, 56%, 44%) |
| OKLCH | oklch(45.8% 0.189 298.3) |
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 #6831B0 | 7.91:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6831B0 | 2.65:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #6831B0 text on white | 7.91:1 | AAA | Lc 86.7 | Fine for body text |
| #6831B0 text on black | 2.65:1 | Fails | Lc -15.4 | 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
#F6F3FE
oklch(97% 0.015 298.6)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DED1FD
oklch(88.5% 0.061 298.7)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#B084FF
oklch(70.8% 0.177 298.3)
-
Step 500
500
#9E5EFD
oklch(63.2% 0.226 298.2)
-
Step 600
600
#8A3BEC
oklch(55.6% 0.246 298.1)
-
Step 700
700
#762ACD
oklch(49.1% 0.228 298.4)
-
Step 800
800 (this color)
#6831B0
oklch(45.8% 0.189 298.3)
-
Step 900
900
#4E2683
oklch(37.7% 0.148 298.8)
-
Step 950
950
#2D184D
oklch(27% 0.094 298.1)
#6831B0 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) | #0051B4 | 0.125 |
| Deuteranopia (no green cones) | #0050AD | 0.125 |
| Tritanopia (no blue cones) | #56516D | 0.144 |
| Achromatopsia (no color) | #515151 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6831B0
#6831B0
oklch(45.8% 0.189 298.3)
- #525F00
#525F00
oklch(45.8% 0.107 118.6)
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 #6831B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Grape #7209B7 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Blurple #5539CC ΔE 0.059
- Purple Blue #5D21D0 ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.063
- Violet Blue #510AC9 ΔE 0.077
Use #6831B0 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.