#A3635D
Closest named color: Earth (#A2653E). oklch(56.9% 0.084 25.8), rgb(163, 99, 93).
Aa
White text reads best on this color (4.66:1).
About this color
#A3635D is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.084 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.043 away. White text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #A3635D |
| RGB | rgb(163, 99, 93) |
| HSL | hsl(5, 28%, 50%) |
| OKLCH | oklch(56.9% 0.084 25.8) |
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 #A3635D | 4.66:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #A3635D | 4.50:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #A3635D text on white | 4.66:1 | AA | Lc 72.2 | Content text, not long reading |
| #A3635D text on black | 4.50:1 | AA | Lc -29.5 | Dividers and decoration only |
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 600.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D2
oklch(88.5% 0.021 24.8)
-
Step 300
300
#D8B8B4
oklch(80.9% 0.037 26.4)
-
Step 400
400
#C4928D
oklch(70.6% 0.061 25.2)
-
Step 500
500
#B47771
oklch(63.1% 0.078 25.7)
-
Step 600
600 (this color)
#A3635D
oklch(56.9% 0.084 25.8)
-
Step 700
700
#884E49
oklch(49.1% 0.079 25.6)
-
Step 800
800
#6E403C
oklch(42.6% 0.065 25.5)
-
Step 900
900
#5A3733
oklch(37.8% 0.051 26.8)
-
Step 950
950
#35201E
oklch(27% 0.033 25.5)
#A3635D 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) | #716C5C | 0.087 |
| Deuteranopia (no green cones) | #80795C | 0.081 |
| Tritanopia (no blue cones) | #AF5B62 | 0.030 |
| Achromatopsia (no color) | #747474 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3635D
#A3635D
oklch(56.9% 0.084 25.8)
- #2A858F
#2A858F
oklch(56.9% 0.084 205.6)
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 #A3635D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.043
- Clay #B66A50 ΔE 0.046
- Reddish Grey #997570 ΔE 0.047
- Pinkish Brown #B17261 ΔE 0.048
- Dusky Rose #BA6873 ΔE 0.054
- Mauve #AE7181 ΔE 0.059
- Mocha #9D7651 ΔE 0.059
- Sienna #A0522D ΔE 0.062
Use #A3635D 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.