#6818A6
Closest named color: Grape (#7209B7). oklch(42.6% 0.203 303.6), rgb(104, 24, 166).
Aa
White text reads best on this color (9.25:1).
About this color
#6818A6 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.203 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.033 away. White text reads best on it, at 9.25:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.203) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #6818A6 |
| RGB | rgb(104, 24, 166) |
| HSL | hsl(274, 75%, 37%) |
| OKLCH | oklch(42.6% 0.203 303.6) |
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 #6818A6 | 9.25:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #6818A6 | 2.26:1 | Fails | Lc 14.0 | Not readable |
| #6818A6 text on white | 9.25:1 | AAA | Lc 89.9 | Fine for body text |
| #6818A6 text on black | 2.26:1 | Fails | Lc -12.3 | 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
#EEE5FD
oklch(93.6% 0.033 302.7)
-
Step 200
200
#E2CFFE
oklch(88.5% 0.067 303.4)
-
Step 300
300
#D1AEFF
oklch(81% 0.117 303.7)
-
Step 400
400
#BA7DFF
oklch(70.6% 0.189 303.6)
-
Step 500
500
#AA52FE
oklch(63% 0.244 303.5)
-
Step 600
600
#9728ED
oklch(55.6% 0.265 303.7)
-
Step 700
700
#8114CE
oklch(49.1% 0.246 303.8)
-
Step 800
800 (this color)
#6818A6
oklch(42.6% 0.203 303.6)
-
Step 900
900
#551F84
oklch(37.7% 0.159 303.9)
-
Step 950
950
#31154D
oklch(27% 0.099 303.3)
#6818A6 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) | #0046AA | 0.143 |
| Deuteranopia (no green cones) | #0047A3 | 0.145 |
| Tritanopia (no blue cones) | #5B4262 | 0.146 |
| Achromatopsia (no color) | #474747 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6818A6
#6818A6
oklch(42.6% 0.203 303.6)
- #435700
#435700
oklch(42.4% 0.105 123.6)
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 #6818A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.033
- Chrysanthemum #560BAD ΔE 0.043
- Rebecca Purple #663399 ΔE 0.045
- Imperial Purple #480CA8 ΔE 0.070
- Purple Blue #5D21D0 ΔE 0.075
- Violet Blue #510AC9 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.086
- Purple #800080 ΔE 0.086
Use #6818A6 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.