#A6738D
Closest named color: Mauve (#AE7181). oklch(61.6% 0.073 347.5), rgb(166, 115, 141).
Aa
Black text reads best on this color (5.45:1).
About this color
#A6738D is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.073 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.021 away. Black text reads best on it, at 5.45:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #A6738D |
| RGB | rgb(166, 115, 141) |
| HSL | hsl(329, 22%, 55%) |
| OKLCH | oklch(61.6% 0.073 347.5) |
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 #A6738D | 3.84:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #A6738D | 5.45:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #A6738D text on white | 3.84:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #A6738D text on black | 5.45:1 | AA | Lc -35.8 | 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 500.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E4D4DB
oklch(88.5% 0.02 349.1)
-
Step 300
300
#D3B8C5
oklch(80.9% 0.035 347.2)
-
Step 400
400
#BC93A7
oklch(70.8% 0.056 347.8)
-
Step 500
500 (this color)
#A6738D
oklch(61.6% 0.073 347.5)
-
Step 600
600
#96607C
oklch(55.7% 0.079 347.6)
-
Step 700
700
#804F68
oklch(49.1% 0.074 348.2)
-
Step 800
800
#684155
oklch(42.7% 0.061 347.9)
-
Step 900
900
#553746
oklch(37.7% 0.048 348.3)
-
Step 950
950
#322029
oklch(27% 0.032 348)
#A6738D 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) | #777D8E | 0.076 |
| Deuteranopia (no green cones) | #83858C | 0.071 |
| Tritanopia (no blue cones) | #AD727C | 0.027 |
| Achromatopsia (no color) | #828282 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6738D
#A6738D
oklch(61.6% 0.073 347.5)
- #57937C
#57937C
oklch(61.5% 0.072 167.5)
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 #A6738D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.021
- Purpley Grey #947E94 ΔE 0.038
- English Lavender #9D8189 ΔE 0.042
- Faded Purple #916E99 ΔE 0.045
- Dark Lilac #9C6DA5 ΔE 0.048
- Dusky Rose #BA6873 ΔE 0.049
- Reddish Grey #997570 ΔE 0.052
- Dusty Rose #C0737A ΔE 0.052
Use #A6738D 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.