#A3766B
Closest named color: Reddish Grey (#997570). oklch(60.8% 0.059 34.2), rgb(163, 118, 107).
Aa
Black text reads best on this color (5.36:1).
About this color
#A3766B is a medium-dark, muted red. In OKLCH its lightness is 61%, its chroma 0.059 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.019 away. Black text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #A3766B |
| RGB | rgb(163, 118, 107) |
| HSL | hsl(12, 23%, 53%) |
| OKLCH | oklch(60.8% 0.059 34.2) |
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 #A3766B | 3.91:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #A3766B | 5.36:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #A3766B text on white | 3.91:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #A3766B text on black | 5.36:1 | AA | Lc -35.1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E6
oklch(93.6% 0.008 36.6)
-
Step 200
200
#E3D6D2
oklch(88.5% 0.015 37.9)
-
Step 300
300
#D3BAB4
oklch(80.9% 0.03 33.7)
-
Step 400
400
#BC978E
oklch(70.8% 0.047 34)
-
Step 500
500 (this color)
#A3766B
oklch(60.8% 0.059 34.2)
-
Step 600
600
#95665A
oklch(55.6% 0.064 34.9)
-
Step 700
700
#7F544A
oklch(49% 0.06 33.7)
-
Step 800
800
#67453D
oklch(42.6% 0.049 33.8)
-
Step 900
900
#543A34
oklch(37.6% 0.039 33.4)
-
Step 950
950
#31221E
oklch(26.9% 0.024 35.5)
#A3766B 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) | #807B6A | 0.057 |
| Deuteranopia (no green cones) | #8B846B | 0.052 |
| Tritanopia (no blue cones) | #AD7073 | 0.028 |
| Achromatopsia (no color) | #818181 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3766B
#A3766B
oklch(60.8% 0.059 34.2)
- #578C99
#578C99
oklch(60.8% 0.06 215)
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 #A3766B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.019
- Pinkish Brown #B17261 ΔE 0.026
- Mocha #9D7651 ΔE 0.038
- English Lavender #9D8189 ΔE 0.044
- Mauve #AE7181 ΔE 0.044
- Puce #A57E52 ΔE 0.046
- Clay #B66A50 ΔE 0.046
- Brown Grey #8D8468 ΔE 0.052
Use #A3766B 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.