#A6737C
Closest named color: Mauve (#AE7181). oklch(61% 0.065 7.5), rgb(166, 115, 124).
Aa
Black text reads best on this color (5.36:1).
About this color
#A6737C is a medium-dark, muted red. In OKLCH its lightness is 61%, its chroma 0.065 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.017 away. Black text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #A6737C |
| RGB | rgb(166, 115, 124) |
| HSL | hsl(349, 22%, 55%) |
| OKLCH | oklch(61% 0.065 7.5) |
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 #A6737C | 3.91:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #A6737C | 5.36:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #A6737C text on white | 3.91:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #A6737C text on black | 5.36:1 | AA | Lc -35.2 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E9
oklch(93.6% 0.01 2)
-
Step 200
200
#E4D5D7
oklch(88.6% 0.017 8.2)
-
Step 300
300
#D4B9BD
oklch(81% 0.031 7.7)
-
Step 400
400
#BE949B
oklch(70.8% 0.051 7.3)
-
Step 500
500 (this color)
#A6737C
oklch(61% 0.065 7.5)
-
Step 600
600
#98626C
oklch(55.7% 0.071 7.5)
-
Step 700
700
#81515A
oklch(49.2% 0.065 7.5)
-
Step 800
800
#694249
oklch(42.6% 0.055 7.9)
-
Step 900
900
#56383D
oklch(37.7% 0.043 8.4)
-
Step 950
950
#322124
oklch(27% 0.027 7.3)
#A6737C 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) | #7B7B7C | 0.071 |
| Deuteranopia (no green cones) | #87847B | 0.065 |
| Tritanopia (no blue cones) | #AF6F76 | 0.018 |
| Achromatopsia (no color) | #818181 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6737C
#A6737C
oklch(61% 0.065 7.5)
- #52908A
#52908A
oklch(61% 0.065 187.6)
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 #A6737C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.017
- Reddish Grey #997570 ΔE 0.030
- English Lavender #9D8189 ΔE 0.037
- Dusky Rose #BA6873 ΔE 0.040
- Pinkish Brown #B17261 ΔE 0.041
- Purpley Grey #947E94 ΔE 0.045
- Dusty Rose #C0737A ΔE 0.045
- Purple Grey #866F85 ΔE 0.058
Use #A6737C 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.