#6B4AA6
Closest named color: Rebecca Purple (#663399). oklch(49% 0.143 297.4), rgb(107, 74, 166).
Aa
White text reads best on this color (6.65:1).
About this color
#6B4AA6 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.143 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.055 away. White text reads best on it, at 6.65:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #6B4AA6 |
| RGB | rgb(107, 74, 166) |
| HSL | hsl(262, 38%, 47%) |
| OKLCH | oklch(49% 0.143 297.4) |
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 #6B4AA6 | 6.65:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #6B4AA6 | 3.15:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #6B4AA6 text on white | 6.65:1 | AA | Lc 82.6 | Fine for body text |
| #6B4AA6 text on black | 3.15:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F0
oklch(88.4% 0.039 297)
-
Step 300
300
#C5B8E8
oklch(80.9% 0.068 297.3)
-
Step 400
400
#A891DD
oklch(70.6% 0.111 297.4)
-
Step 500
500
#9474D3
oklch(63% 0.141 297.7)
-
Step 600
600
#7F5BC1
oklch(55.6% 0.154 297.4)
-
Step 700
700 (this color)
#6B4AA6
oklch(49% 0.143 297.4)
-
Step 800
800
#573D87
oklch(42.6% 0.119 297.3)
-
Step 900
900
#48356C
oklch(37.7% 0.093 297.7)
-
Step 950
950
#2A1F3F
oklch(26.9% 0.059 298.2)
#6B4AA6 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) | #225DA9 | 0.098 |
| Deuteranopia (no green cones) | #2D5BA4 | 0.090 |
| Tritanopia (no blue cones) | #5E5D71 | 0.112 |
| Achromatopsia (no color) | #5C5C5C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4AA6
#6B4AA6
oklch(49% 0.143 297.4)
- #5C6800
#5C6800
oklch(49% 0.113 117.4)
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 #6B4AA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.055
- Iris #6258C4 ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.060
- Twilight #4E518B ΔE 0.068
- Slate Blue #6A5ACD ΔE 0.068
- Light Indigo #6D5ACF ΔE 0.071
- Blueberry #464196 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
Use #6B4AA6 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.