#AA603D
Closest named color: Earth (#A2653E). oklch(56.7% 0.108 45.2), rgb(170, 96, 61).
Aa
White text reads best on this color (4.71:1).
About this color
#AA603D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.108 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.018 away. White text reads best on it, at 4.71:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.44:1 |
| White text | 4.71:1 |
Values
| HEX | #AA603D |
| RGB | rgb(170, 96, 61) |
| HSL | hsl(19, 47%, 45%) |
| OKLCH | oklch(56.7% 0.108 45.2) |
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 #AA603D | 4.71:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #AA603D | 4.44:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #AA603D text on white | 4.71:1 | AA | Lc 72.5 | Content text, not long reading |
| #AA603D text on black | 4.44:1 | AA large text | Lc -29.2 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E9D4CB
oklch(88.5% 0.027 44.7)
-
Step 300
300
#DDB7A7
oklch(80.9% 0.049 44.1)
-
Step 400
400
#CA9178
oklch(70.6% 0.078 44.6)
-
Step 500
500
#BB7555
oklch(63% 0.1 45.1)
-
Step 600
600 (this color)
#AA603D
oklch(56.7% 0.108 45.2)
-
Step 700
700
#8F4C2C
oklch(49.1% 0.101 45.1)
-
Step 800
800
#743F26
oklch(42.8% 0.083 45.1)
-
Step 900
900
#5E3623
oklch(37.8% 0.065 45.6)
-
Step 950
950
#372015
oklch(27% 0.041 46.1)
#AA603D 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) | #74693A | 0.097 |
| Deuteranopia (no green cones) | #867A3C | 0.089 |
| Tritanopia (no blue cones) | #B95258 | 0.061 |
| Achromatopsia (no color) | #737373 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA603D
#AA603D
oklch(56.7% 0.108 45.2)
- #0083A6
#0083A6
oklch(56.7% 0.108 225)
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 #AA603D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.018
- Copper #B66325 ΔE 0.033
- Raw Umber #A75E09 ΔE 0.038
- Clay #B66A50 ΔE 0.038
- Orangey Brown #B16002 ΔE 0.040
- Sepia #985E2B ΔE 0.040
- Sienna #A0522D ΔE 0.041
- Burnt Siena #B75203 ΔE 0.043
Use #AA603D 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.