#A37773
Closest named color: Reddish Grey (#997570). oklch(61.2% 0.056 24.7), rgb(163, 119, 115).
Aa
Black text reads best on this color (5.44:1).
About this color
#A37773 is a medium-dark, muted red. In OKLCH its lightness is 61%, its chroma 0.056 and its hue 25°. 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 5.44:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #A37773 |
| RGB | rgb(163, 119, 115) |
| HSL | hsl(5, 21%, 55%) |
| OKLCH | oklch(61.2% 0.056 24.7) |
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 #A37773 | 3.85:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A37773 | 5.44:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A37773 text on white | 3.85:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A37773 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E7
oklch(93.6% 0.008 27.2)
-
Step 200
200
#E3D5D4
oklch(88.4% 0.016 22.4)
-
Step 300
300
#D2BAB8
oklch(80.9% 0.028 23.4)
-
Step 400
400
#BB9793
oklch(70.8% 0.044 25.6)
-
Step 500
500 (this color)
#A37773
oklch(61.2% 0.056 24.7)
-
Step 600
600
#946561
oklch(55.5% 0.062 24.6)
-
Step 700
700
#7E5451
oklch(49.1% 0.057 23.9)
-
Step 800
800
#664542
oklch(42.6% 0.046 25)
-
Step 900
900
#533A38
oklch(37.6% 0.036 24.1)
-
Step 950
950
#312221
oklch(27% 0.023 23.1)
#A37773 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) | #807D73 | 0.057 |
| Deuteranopia (no green cones) | #8A8572 | 0.054 |
| Tritanopia (no blue cones) | #AC7276 | 0.021 |
| Achromatopsia (no color) | #828282 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37773
#A37773
oklch(61.2% 0.056 24.7)
- #5A8E94
#5A8E94
oklch(61.2% 0.056 205.1)
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 #A37773, 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 0.032
- English Lavender #9D8189 ΔE 0.034
- Mauve #AE7181 ΔE 0.035
- Mocha #9D7651 ΔE 0.048
- Purpley Grey #947E94 ΔE 0.050
- Warm Grey #978A84 ΔE 0.051
- Dusky Rose #BA6873 ΔE 0.052
Use #A37773 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.