#A6738B
Closest named color: Mauve (#AE7181). oklch(61.5% 0.072 349.6), rgb(166, 115, 139).
Aa
Black text reads best on this color (5.44:1).
About this color
#A6738B is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.072 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.019 away. Black text reads best on it, at 5.44:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #A6738B |
| RGB | rgb(166, 115, 139) |
| HSL | hsl(332, 22%, 55%) |
| OKLCH | oklch(61.5% 0.072 349.6) |
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 #A6738B | 3.85:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #A6738B | 5.44:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A6738B text on white | 3.85:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #A6738B text on black | 5.44:1 | AA | Lc -35.7 | 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
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E4D4DB
oklch(88.5% 0.02 349.1)
-
Step 300
300
#D3B8C4
oklch(80.9% 0.035 349.3)
-
Step 400
400
#BC93A6
oklch(70.7% 0.055 349.1)
-
Step 500
500 (this color)
#A6738B
oklch(61.5% 0.072 349.6)
-
Step 600
600
#96607A
oklch(55.6% 0.078 349.6)
-
Step 700
700
#804F67
oklch(49.1% 0.073 349.3)
-
Step 800
800
#684154
oklch(42.7% 0.06 349.3)
-
Step 900
900
#553745
oklch(37.7% 0.048 350.1)
-
Step 950
950
#322029
oklch(27% 0.032 348)
#A6738B 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) | #777D8C | 0.076 |
| Deuteranopia (no green cones) | #83858A | 0.071 |
| Tritanopia (no blue cones) | #AD727B | 0.026 |
| Achromatopsia (no color) | #828282 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6738B
#A6738B
oklch(61.5% 0.072 349.6)
- #56937E
#56937E
oklch(61.5% 0.072 169.8)
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 #A6738B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.019
- Purpley Grey #947E94 ΔE 0.038
- English Lavender #9D8189 ΔE 0.040
- Faded Purple #916E99 ΔE 0.047
- Dusky Rose #BA6873 ΔE 0.048
- Reddish Grey #997570 ΔE 0.049
- Dark Lilac #9C6DA5 ΔE 0.051
- Dusty Rose #C0737A ΔE 0.051
Use #A6738B 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.