#AA7637
Closest named color: Leather (#AC7434). oklch(60.7% 0.103 68.8), rgb(170, 118, 55).
Aa
Black text reads best on this color (5.35:1).
About this color
#AA7637 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.103 and its hue 69°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.006 away. Black text reads best on it, at 5.35:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #AA7637 |
| RGB | rgb(170, 118, 55) |
| HSL | hsl(33, 51%, 44%) |
| OKLCH | oklch(60.7% 0.103 68.8) |
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 #AA7637 | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #AA7637 | 5.35:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #AA7637 text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #AA7637 text on black | 5.35:1 | AA | Lc -35.2 | 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
#F0E8E0
oklch(93.5% 0.014 67.7)
-
Step 200
200
#E6D6C6
oklch(88.5% 0.028 67.5)
-
Step 300
300
#D7BB9E
oklch(80.9% 0.051 68)
-
Step 400
400
#C29869
oklch(70.8% 0.081 69.1)
-
Step 500
500 (this color)
#AA7637
oklch(60.7% 0.103 68.8)
-
Step 600
600
#9D6519
oklch(55.5% 0.112 68.5)
-
Step 700
700
#865409
oklch(49.1% 0.104 68.9)
-
Step 800
800
#6D450E
oklch(42.7% 0.086 68.9)
-
Step 900
900
#583A15
oklch(37.6% 0.067 68.7)
-
Step 950
950
#34220E
oklch(26.9% 0.042 67.2)
#AA7637 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) | #877930 | 0.061 |
| Deuteranopia (no green cones) | #948538 | 0.052 |
| Tritanopia (no blue cones) | #B96A68 | 0.081 |
| Achromatopsia (no color) | #818181 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA7637
#AA7637
oklch(60.7% 0.103 68.8)
- #4E87BD
#4E87BD
oklch(60.8% 0.102 248.6)
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 #AA7637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.006
- Clay Brown #B2713D ΔE 0.021
- Tan Brown #AB7E4C ΔE 0.025
- Caramel #AF6F09 ΔE 0.027
- Puce #A57E52 ΔE 0.029
- Coffee #A6814C ΔE 0.029
- Light Brown #AD8150 ΔE 0.034
- Bronze #A87900 ΔE 0.034
Use #AA7637 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.