#A37665
Closest named color: Reddish Grey (#997570). oklch(60.7% 0.062 41.6), rgb(163, 118, 101).
Aa
Black text reads best on this color (5.33:1).
About this color
#A37665 is a medium-dark, muted brown. In OKLCH its lightness is 61%, its chroma 0.062 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.023 away. Black text reads best on it, at 5.33:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #A37665 |
| RGB | rgb(163, 118, 101) |
| HSL | hsl(16, 25%, 52%) |
| OKLCH | oklch(60.7% 0.062 41.6) |
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 #A37665 | 3.93:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #A37665 | 5.33:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #A37665 text on white | 3.93:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #A37665 text on black | 5.33:1 | AA | Lc -35.0 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E4D6D1
oklch(88.6% 0.017 40.8)
-
Step 300
300
#D3BBB2
oklch(81% 0.03 41.7)
-
Step 400
400
#BC9789
oklch(70.7% 0.049 41.7)
-
Step 500
500 (this color)
#A37665
oklch(60.7% 0.062 41.6)
-
Step 600
600
#966654
oklch(55.6% 0.068 41.4)
-
Step 700
700
#805544
oklch(49.2% 0.063 42.4)
-
Step 800
800
#684538
oklch(42.6% 0.053 41.2)
-
Step 900
900
#543A31
oklch(37.5% 0.04 39.9)
-
Step 950
950
#32221D
oklch(27% 0.026 38.1)
#A37665 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) | #817B64 | 0.056 |
| Deuteranopia (no green cones) | #8C8465 | 0.051 |
| Tritanopia (no blue cones) | #AE6F71 | 0.035 |
| Achromatopsia (no color) | #808080 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37665
#A37665
oklch(60.7% 0.062 41.6)
- #568B9D
#568B9D
oklch(60.7% 0.063 221.6)
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 #A37665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.023
- Pinkish Brown #B17261 ΔE 0.025
- Mocha #9D7651 ΔE 0.030
- Puce #A57E52 ΔE 0.039
- Clay #B66A50 ΔE 0.043
- Tan Brown #AB7E4C ΔE 0.046
- Brown Grey #8D8468 ΔE 0.049
- Clay Brown #B2713D ΔE 0.050
Use #A37665 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.