#6A4181
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.11 312.3), rgb(106, 65, 129).
Aa
White text reads best on this color (7.81:1).
About this color
#6A4181 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.110 and its hue 312°. 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 7.81:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #6A4181 |
| RGB | rgb(106, 65, 129) |
| HSL | hsl(278, 33%, 38%) |
| OKLCH | oklch(45.1% 0.11 312.3) |
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 #6A4181 | 7.81:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #6A4181 | 2.68:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #6A4181 text on white | 7.81:1 | AAA | Lc 86.9 | Fine for body text |
| #6A4181 text on black | 2.68:1 | Fails | Lc -15.2 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F3
oklch(93.5% 0.019 312.8)
-
Step 200
200
#E1D3EB
oklch(88.5% 0.036 311.4)
-
Step 300
300
#CFB5DF
oklch(80.9% 0.065 312.5)
-
Step 400
400
#B68ECF
oklch(70.7% 0.102 311.9)
-
Step 500
500
#A470C2
oklch(63% 0.131 312.3)
-
Step 600
600
#8F57AF
oklch(55.6% 0.143 312)
-
Step 700
700
#7A4696
oklch(49% 0.134 312.5)
-
Step 800
800 (this color)
#6A4181
oklch(45.1% 0.11 312.3)
-
Step 900
900
#513362
oklch(37.8% 0.085 312.3)
-
Step 950
950
#2F1E39
oklch(26.9% 0.053 312.1)
#6A4181 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) | #335083 | 0.090 |
| Deuteranopia (no green cones) | #3E537F | 0.082 |
| Tritanopia (no blue cones) | #684B5B | 0.076 |
| Achromatopsia (no color) | #525252 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A4181
#6A4181
oklch(45.1% 0.11 312.3)
- #3D6217
#3D6217
oklch(45.2% 0.111 132.4)
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 #6A4181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.055
- Twilight #4E518B ΔE 0.060
- Light Eggplant #894585 ΔE 0.061
- Dusk #4E5481 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.066
- Blueberry #464196 ΔE 0.073
- Dusty Grape #545775 ΔE 0.075
- Muted Purple #805B87 ΔE 0.082
Use #6A4181 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.