#A37F47
Closest named color: Coffee (#A6814C). oklch(61.9% 0.086 77.1), rgb(163, 127, 71).
Aa
Black text reads best on this color (5.68:1).
About this color
#A37F47 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.086 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Coffee (#A6814C), ΔE 0.009 away. Black text reads best on it, at 5.68:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Coffee (#A6814C) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #A37F47 |
| RGB | rgb(163, 127, 71) |
| HSL | hsl(37, 39%, 46%) |
| OKLCH | oklch(61.9% 0.086 77.1) |
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 #A37F47 | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #A37F47 | 5.68:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #A37F47 text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #A37F47 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E2D7C8
oklch(88.4% 0.024 75.8)
-
Step 300
300
#D0BEA3
oklch(80.9% 0.042 78)
-
Step 400
400
#B89C71
oklch(70.7% 0.067 78)
-
Step 500
500 (this color)
#A37F47
oklch(61.9% 0.086 77.1)
-
Step 600
600
#926B2C
oklch(55.5% 0.094 76.5)
-
Step 700
700
#7C5A1F
oklch(49.2% 0.087 77.7)
-
Step 800
800
#65491C
oklch(42.6% 0.072 76.4)
-
Step 900
900
#523D1D
oklch(37.6% 0.055 76.2)
-
Step 950
950
#302412
oklch(26.9% 0.035 76.5)
#A37F47 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) | #8D8042 | 0.037 |
| Deuteranopia (no green cones) | #968949 | 0.032 |
| Tritanopia (no blue cones) | #B07572 | 0.074 |
| Achromatopsia (no color) | #858585 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37F47
#A37F47
oklch(61.9% 0.086 77.1)
- #6488BA
#6488BA
oklch(62% 0.086 256.7)
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 #A37F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Coffee #A6814C ΔE 0.009
- Puce #A57E52 ΔE 0.015
- Tan Brown #AB7E4C ΔE 0.016
- Light Brown #AD8150 ΔE 0.021
- Leather #AC7434 ΔE 0.030
- Dark Tan #AF884A ΔE 0.033
- Mocha #9D7651 ΔE 0.033
- Clay Brown #B2713D ΔE 0.040
Use #A37F47 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.