#6A18A3
Closest named color: Grape (#7209B7). oklch(42.6% 0.201 305.5), rgb(106, 24, 163).
Aa
White text reads best on this color (9.24:1).
About this color
#6A18A3 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.201 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.035 away. White text reads best on it, at 9.24:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.201) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #6A18A3 |
| RGB | rgb(106, 24, 163) |
| HSL | hsl(275, 74%, 37%) |
| OKLCH | oklch(42.6% 0.201 305.5) |
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 #6A18A3 | 9.24:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #6A18A3 | 2.27:1 | Fails | Lc 14.0 | Not readable |
| #6A18A3 text on white | 9.24:1 | AAA | Lc 89.9 | Fine for body text |
| #6A18A3 text on black | 2.27:1 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FD
oklch(93.7% 0.034 304.5)
-
Step 200
200
#E3CFFC
oklch(88.5% 0.065 305.3)
-
Step 300
300
#D3ADFD
oklch(80.9% 0.117 305.7)
-
Step 400
400
#BD7CFC
oklch(70.6% 0.188 305.6)
-
Step 500
500
#AD52FA
oklch(63.1% 0.24 305.3)
-
Step 600
600
#9928E9
oklch(55.6% 0.262 305.2)
-
Step 700
700
#8315CA
oklch(49.1% 0.242 305.5)
-
Step 800
800 (this color)
#6A18A3
oklch(42.6% 0.201 305.5)
-
Step 900
900
#561F82
oklch(37.7% 0.157 305.2)
-
Step 950
950
#32144C
oklch(26.9% 0.1 305.2)
#6A18A3 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) | #0045A7 | 0.147 |
| Deuteranopia (no green cones) | #0047A0 | 0.149 |
| Tritanopia (no blue cones) | #5F4061 | 0.140 |
| Achromatopsia (no color) | #474747 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A18A3
#6A18A3
oklch(42.6% 0.201 305.5)
- #415800
#415800
oklch(42.6% 0.107 125.2)
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 #6A18A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.035
- Rebecca Purple #663399 ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.049
- Imperial Purple #480CA8 ΔE 0.075
- Purple #800080 ΔE 0.079
- Purple Blue #5D21D0 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.084
- Violet Blue #510AC9 ΔE 0.085
Use #6A18A3 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.