#A37C73
Closest named color: Reddish Grey (#997570). oklch(62.2% 0.051 33.3), rgb(163, 124, 115).
Aa
Black text reads best on this color (5.68:1).
About this color
#A37C73 is a medium-light, muted red. In OKLCH its lightness is 62%, its chroma 0.051 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.026 away. Black text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #A37C73 |
| RGB | rgb(163, 124, 115) |
| HSL | hsl(11, 21%, 55%) |
| OKLCH | oklch(62.2% 0.051 33.3) |
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 #A37C73 | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #A37C73 | 5.68:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #A37C73 text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #A37C73 text on black | 5.68:1 | AA | Lc -37.2 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB6
oklch(80.8% 0.025 33.6)
-
Step 400
400
#B89891
oklch(70.7% 0.04 32.4)
-
Step 500
500 (this color)
#A37C73
oklch(62.2% 0.051 33.3)
-
Step 600
600
#91685E
oklch(55.7% 0.055 34.2)
-
Step 700
700
#7B564E
oklch(49% 0.051 32.6)
-
Step 800
800
#644740
oklch(42.8% 0.042 34)
-
Step 900
900
#523B36
oklch(37.7% 0.034 32.5)
-
Step 950
950
#302320
oklch(27.1% 0.021 33.3)
#A37C73 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) | #858072 | 0.048 |
| Deuteranopia (no green cones) | #8E8873 | 0.045 |
| Tritanopia (no blue cones) | #AC777A | 0.024 |
| Achromatopsia (no color) | #858585 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37C73
#A37C73
oklch(62.2% 0.051 33.3)
- #628F99
#628F99
oklch(62.1% 0.051 213.1)
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 #A37C73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.026
- English Lavender #9D8189 ΔE 0.031
- Pinkish Brown #B17261 ΔE 0.035
- Warm Grey #978A84 ΔE 0.040
- Mauve #AE7181 ΔE 0.045
- Mocha #9D7651 ΔE 0.046
- Puce #A57E52 ΔE 0.046
- Brown Grey #8D8468 ΔE 0.047
Use #A37C73 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.