#A3604D
Closest named color: Earth (#A2653E). oklch(56% 0.093 36.6), rgb(163, 96, 77).
Aa
White text reads best on this color (4.84:1).
About this color
#A3604D is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.093 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.026 away. White text reads best on it, at 4.84:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #A3604D |
| RGB | rgb(163, 96, 77) |
| HSL | hsl(13, 36%, 47%) |
| OKLCH | oklch(56% 0.093 36.6) |
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 #A3604D | 4.84:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #A3604D | 4.33:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #A3604D text on white | 4.84:1 | AA | Lc 73.3 | Content text, not long reading |
| #A3604D text on black | 4.33:1 | AA large text | Lc -28.4 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E4
oklch(93.6% 0.013 35.7)
-
Step 200
200
#E8D4CF
oklch(88.5% 0.023 34.3)
-
Step 300
300
#DAB8AE
oklch(80.9% 0.042 37)
-
Step 400
400
#C69284
oklch(70.6% 0.067 35.6)
-
Step 500
500
#B77765
oklch(63.2% 0.085 36.4)
-
Step 600
600 (this color)
#A3604D
oklch(56% 0.093 36.6)
-
Step 700
700
#8A4E3D
oklch(49.1% 0.086 36.7)
-
Step 800
800
#704033
oklch(42.6% 0.071 36)
-
Step 900
900
#5B372C
oklch(37.7% 0.055 37.7)
-
Step 950
950
#36201A
oklch(27% 0.036 36)
#A3604D 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) | #71694B | 0.088 |
| Deuteranopia (no green cones) | #81774C | 0.082 |
| Tritanopia (no blue cones) | #B1555B | 0.044 |
| Achromatopsia (no color) | #727272 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3604D
#A3604D
oklch(56% 0.093 36.6)
- #1C8197
#1C8197
oklch(55.9% 0.092 216.7)
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 #A3604D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.026
- Sienna #A0522D ΔE 0.043
- Sepia #985E2B ΔE 0.045
- Clay #B66A50 ΔE 0.045
- Cocoa #875F42 ΔE 0.054
- Copper #B66325 ΔE 0.055
- Pinkish Brown #B17261 ΔE 0.055
- Raw Umber #A75E09 ΔE 0.056
Use #A3604D 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.