#A51181
Closest named color: Red Violet (#9E0168). oklch(49.1% 0.203 341.4), rgb(165, 17, 129).
Aa
White text reads best on this color (7.00:1).
About this color
#A51181 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.203 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.042 away. White text reads best on it, at 7.00:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #A51181 |
| RGB | rgb(165, 17, 129) |
| HSL | hsl(315, 81%, 36%) |
| OKLCH | oklch(49.1% 0.203 341.4) |
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 #A51181 | 7.00:1 | AAA | Lc -87.5 | Fine for body text |
| Black text on #A51181 | 2.99:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #A51181 text on white | 7.00:1 | AAA | Lc 82.4 | Fine for body text |
| #A51181 text on black | 2.99:1 | Fails | Lc -19.5 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F8E3EF
oklch(93.6% 0.028 342.3)
-
Step 200
200
#F3CCE4
oklch(88.5% 0.054 340.8)
-
Step 300
300
#EDA8D3
oklch(81% 0.098 341.6)
-
Step 400
400
#E075BD
oklch(70.6% 0.157 341.1)
-
Step 500
500
#D54BAC
oklch(63.2% 0.201 341.5)
-
Step 600
600
#C02397
oklch(55.6% 0.218 341.6)
-
Step 700
700 (this color)
#A51181
oklch(49.1% 0.203 341.4)
-
Step 800
800
#861569
oklch(42.7% 0.168 341.3)
-
Step 900
900
#6C1B55
oklch(37.6% 0.131 341.5)
-
Step 950
950
#401232
oklch(27.1% 0.083 341.6)
#A51181 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) | #254A84 | 0.229 |
| Deuteranopia (no green cones) | #56617E | 0.194 |
| Tritanopia (no blue cones) | #B0164C | 0.092 |
| Achromatopsia (no color) | #595959 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A51181
#A51181
oklch(49.1% 0.203 341.4)
- #00734D
#00734D
oklch(49.1% 0.108 161.8)
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 #A51181, closest first.
No curated palette has a color within ΔE 0.04 of #A51181.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.042
- Warm Purple #952E8F ΔE 0.045
- Deep Magenta #A0025C ΔE 0.059
- Dark Magenta #8B008B ΔE 0.064
- Dark Fuchsia #9D0759 ΔE 0.065
- Violet Red #A50055 ΔE 0.070
- Medium Violet Red #C71585 ΔE 0.072
- Purple #800080 ΔE 0.084
Use #A51181 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.