#AD571F
Closest named color: Cinnamon (#AC4F06). oklch(55.2% 0.131 49.4), rgb(173, 87, 31).
Aa
White text reads best on this color (5.04:1).
About this color
#AD571F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.131 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.019 away. White text reads best on it, at 5.04:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.15:1 |
| White text | 5.04:1 |
Values
| HEX | #AD571F |
| RGB | rgb(173, 87, 31) |
| HSL | hsl(24, 70%, 40%) |
| OKLCH | oklch(55.2% 0.131 49.4) |
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 #AD571F | 5.04:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #AD571F | 4.15:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AD571F text on white | 5.04:1 | AA | Lc 74.4 | Content text, not long reading |
| #AD571F text on black | 4.15:1 | AA large text | Lc -27.3 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C7
oklch(88.4% 0.032 47.3)
-
Step 300
300
#E1B6A0
oklch(80.9% 0.059 48.5)
-
Step 400
400
#D08F6B
oklch(70.6% 0.094 49.7)
-
Step 500
500
#C37242
oklch(63.2% 0.12 49.9)
-
Step 600
600 (this color)
#AD571F
oklch(55.2% 0.131 49.4)
-
Step 700
700
#954812
oklch(49.1% 0.121 49.8)
-
Step 800
800
#793B13
oklch(42.6% 0.1 49.3)
-
Step 900
900
#623317
oklch(37.6% 0.079 49.2)
-
Step 950
950
#3A1E0F
oklch(27% 0.05 47.8)
#AD571F 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) | #706316 | 0.114 |
| Deuteranopia (no green cones) | #84761D | 0.104 |
| Tritanopia (no blue cones) | #BE444C | 0.077 |
| Achromatopsia (no color) | #6F6F6F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD571F
#AD571F
oklch(55.2% 0.131 49.4)
- #007DA5
#007DA5
oklch(55.2% 0.109 229.5)
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 #AD571F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.021
- Raw Umber #A75E09 ΔE 0.025
- Orangey Brown #B16002 ΔE 0.029
- Sienna #A0522D ΔE 0.032
- Copper #B66325 ΔE 0.034
- Burnt Orange #C04E01 ΔE 0.037
- Earth #A2653E ΔE 0.038
Use #AD571F 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.