#A6636E
Closest named color: Dusky Rose (#BA6873). oklch(57.7% 0.088 9.6), rgb(166, 99, 110).
Aa
Black text reads best on this color (4.63:1).
About this color
#A6636E is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.088 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dusky Rose (#BA6873), ΔE 0.040 away. Black text reads best on it, at 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Dusky Rose (#BA6873) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #A6636E |
| RGB | rgb(166, 99, 110) |
| HSL | hsl(350, 27%, 52%) |
| OKLCH | oklch(57.7% 0.088 9.6) |
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 #A6636E | 4.53:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #A6636E | 4.63:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #A6636E text on white | 4.53:1 | AA | Lc 71.3 | Content text, not long reading |
| #A6636E text on black | 4.63:1 | AA | Lc -30.4 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7E8
oklch(93.6% 0.011 10.3)
-
Step 200
200
#E7D4D6
oklch(88.6% 0.021 10.3)
-
Step 300
300
#D9B7BB
oklch(81% 0.039 10)
-
Step 400
400
#C49198
oklch(70.7% 0.062 9.6)
-
Step 500
500
#B4757F
oklch(63.1% 0.08 9.2)
-
Step 600
600 (this color)
#A6636E
oklch(57.7% 0.088 9.6)
-
Step 700
700
#884C56
oklch(49% 0.082 9.8)
-
Step 800
800
#6F3F47
oklch(42.8% 0.068 9.6)
-
Step 900
900
#5A363B
oklch(37.8% 0.052 10.8)
-
Step 950
950
#352023
oklch(27.1% 0.033 10.1)
#A6636E 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) | #6F6E6E | 0.094 |
| Deuteranopia (no green cones) | #7F7B6D | 0.088 |
| Tritanopia (no blue cones) | #B15D67 | 0.023 |
| Achromatopsia (no color) | #767676 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6636E
#A6636E
oklch(57.7% 0.088 9.6)
- #298A85
#298A85
oklch(57.8% 0.088 190)
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 #A6636E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Rose #BA6873 ΔE 0.040
- Mauve #AE7181 ΔE 0.042
- Reddish Grey #997570 ΔE 0.050
- Pinkish Brown #B17261 ΔE 0.054
- Light Plum #9D5783 ΔE 0.055
- Clay #B66A50 ΔE 0.059
- Dark Rose #B5485D ΔE 0.060
- Purple Grey #866F85 ΔE 0.063
Use #A6636E 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.