#AC4181
Closest named color: Light Plum (#9D5783). oklch(54.2% 0.157 346.7), rgb(172, 65, 129).
Aa
White text reads best on this color (5.48:1).
About this color
#AC4181 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.157 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.051 away. White text reads best on it, at 5.48:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #AC4181 |
| RGB | rgb(172, 65, 129) |
| HSL | hsl(324, 45%, 46%) |
| OKLCH | oklch(54.2% 0.157 346.7) |
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 #AC4181 | 5.48:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #AC4181 | 3.82:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #AC4181 text on white | 5.48:1 | AA | Lc 76.7 | Fine for body text |
| #AC4181 text on black | 3.82:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F5E5EC
oklch(93.7% 0.02 349.1)
-
Step 200
200
#EECFDE
oklch(88.5% 0.04 347.1)
-
Step 300
300
#E3AFCA
oklch(80.9% 0.07 346.2)
-
Step 400
400
#D383AF
oklch(70.7% 0.112 346.2)
-
Step 500
500
#C6619B
oklch(63.1% 0.145 346.5)
-
Step 600
600 (this color)
#AC4181
oklch(54.2% 0.157 346.7)
-
Step 700
700
#983671
oklch(49.1% 0.146 346.7)
-
Step 800
800
#7B2E5C
oklch(42.7% 0.12 346.5)
-
Step 900
900
#642A4B
oklch(37.8% 0.094 347.3)
-
Step 950
950
#3B192C
oklch(27% 0.06 347.2)
#AC4181 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) | #4D5D83 | 0.170 |
| Deuteranopia (no green cones) | #6B707E | 0.153 |
| Tritanopia (no blue cones) | #B73F5B | 0.063 |
| Achromatopsia (no color) | #696969 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4181
#AC4181
oklch(54.2% 0.157 346.7)
- #008361
#008361
oklch(54.1% 0.111 166.9)
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 #AC4181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.051
- Light Burgundy #A8415B ΔE 0.060
- Dark Rose #B5485D ΔE 0.066
- Medium Violet Red #C71585 ΔE 0.067
- Light Eggplant #894585 ΔE 0.067
- Warm Purple #952E8F ΔE 0.071
- Dark Pink #CB416B ΔE 0.072
- Light Maroon #A24857 ΔE 0.073
Use #AC4181 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.