#A11578
Closest named color: Red Violet (#9E0168). oklch(48.2% 0.193 344), rgb(161, 21, 120).
Aa
White text reads best on this color (7.25:1).
About this color
#A11578 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.193 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.027 away. White text reads best on it, at 7.25:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #A11578 |
| RGB | rgb(161, 21, 120) |
| HSL | hsl(318, 77%, 36%) |
| OKLCH | oklch(48.2% 0.193 344) |
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 #A11578 | 7.25:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #A11578 | 2.89:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #A11578 text on white | 7.25:1 | AAA | Lc 83.5 | Fine for body text |
| #A11578 text on black | 2.89:1 | Fails | Lc -18.5 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F3CCE2
oklch(88.5% 0.052 343.3)
-
Step 300
300
#ECA9CF
oklch(80.9% 0.092 344.3)
-
Step 400
400
#E077B7
oklch(70.7% 0.15 344.2)
-
Step 500
500
#D44FA5
oklch(63.1% 0.19 344.2)
-
Step 600
600
#BF2A90
oklch(55.6% 0.207 344.2)
-
Step 700
700 (this color)
#A11578
oklch(48.2% 0.193 344)
-
Step 800
800
#851A64
oklch(42.6% 0.16 343.8)
-
Step 900
900
#6C1E51
oklch(37.8% 0.124 344.6)
-
Step 950
950
#3F1330
oklch(26.9% 0.079 343.3)
#A11578 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) | #2B487A | 0.218 |
| Deuteranopia (no green cones) | #575F75 | 0.187 |
| Tritanopia (no blue cones) | #AC1448 | 0.083 |
| Achromatopsia (no color) | #575757 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A11578
#A11578
oklch(48.2% 0.193 344)
- #00704E
#00704E
oklch(48.3% 0.103 163.8)
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 #A11578, closest first.
No curated palette has a color within ΔE 0.04 of #A11578.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.027
- Deep Magenta #A0025C ΔE 0.044
- Warm Purple #952E8F ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.050
- Violet Red #A50055 ΔE 0.056
- Dark Magenta #8B008B ΔE 0.066
- Mulberry #920A4E ΔE 0.072
- Berry #990F4B ΔE 0.073
Use #A11578 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.