#A6638D
Closest named color: Light Plum (#9D5783). oklch(58.8% 0.102 342.5), rgb(166, 99, 141).
Aa
Black text reads best on this color (4.79:1).
About this color
#A6638D is a medium-dark, moderately saturated pink. In OKLCH its lightness is 59%, its chroma 0.102 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.036 away. Black text reads best on it, at 4.79:1.
| Hue family | Pinks |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #A6638D |
| RGB | rgb(166, 99, 141) |
| HSL | hsl(322, 27%, 52%) |
| OKLCH | oklch(58.8% 0.102 342.5) |
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 #A6638D | 4.38:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #A6638D | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #A6638D text on white | 4.38:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #A6638D text on black | 4.79:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E6D3DE
oklch(88.6% 0.026 341.9)
-
Step 300
300
#D7B5C9
oklch(80.9% 0.047 342.1)
-
Step 400
400
#C18FAD
oklch(70.7% 0.072 342.4)
-
Step 500
500
#B17299
oklch(63.1% 0.094 342.4)
-
Step 600
600 (this color)
#A6638D
oklch(58.8% 0.102 342.5)
-
Step 700
700
#85496F
oklch(49% 0.096 342.6)
-
Step 800
800
#6C3D5B
oklch(42.8% 0.078 342.1)
-
Step 900
900
#58344A
oklch(37.7% 0.061 343.1)
-
Step 950
950
#341F2C
oklch(27.1% 0.039 342.3)
#A6638D 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) | #67728F | 0.105 |
| Deuteranopia (no green cones) | #787D8B | 0.098 |
| Tritanopia (no blue cones) | #AE6372 | 0.044 |
| Achromatopsia (no color) | #797979 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6638D
#A6638D
oklch(58.8% 0.102 342.5)
- #388F6A
#388F6A
oklch(58.7% 0.102 162.4)
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 #A6638D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.036
- Dark Lilac #9C6DA5 ΔE 0.041
- Faded Purple #916E99 ΔE 0.043
- Mauve #AE7181 ΔE 0.049
- Dark Lavender #856798 ΔE 0.058
- Dusky Rose #BA6873 ΔE 0.059
- Soft Purple #A66FB5 ΔE 0.061
- Dusky Purple #895B7B ΔE 0.063
Use #A6638D 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.