#AA471C
Closest named color: Burnt Umber (#A0450E). oklch(52.3% 0.141 41.5), rgb(170, 71, 28).
Aa
White text reads best on this color (5.78:1).
About this color
#AA471C is a medium-dark, vivid orange. In OKLCH its lightness is 52%, its chroma 0.141 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.023 away. White text reads best on it, at 5.78:1.
| Hue family | Oranges |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #AA471C |
| RGB | rgb(170, 71, 28) |
| HSL | hsl(18, 72%, 39%) |
| OKLCH | oklch(52.3% 0.141 41.5) |
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 #AA471C | 5.78:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #AA471C | 3.62:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #AA471C text on white | 5.78:1 | AA | Lc 78.2 | Fine for body text |
| #AA471C text on black | 3.62:1 | AA large text | Lc -23.5 | 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 700.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E8B39F
oklch(81% 0.068 41.6)
-
Step 400
400
#DA896A
oklch(70.7% 0.109 41.6)
-
Step 500
500
#CE6941
oklch(63.2% 0.139 41.5)
-
Step 600
600
#B94D1E
oklch(55.5% 0.151 41.4)
-
Step 700
700 (this color)
#AA471C
oklch(52.3% 0.141 41.5)
-
Step 800
800
#813311
oklch(42.6% 0.117 41.3)
-
Step 900
900
#682E16
oklch(37.6% 0.091 41.8)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#AA471C 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) | #635815 | 0.137 |
| Deuteranopia (no green cones) | #7B6E18 | 0.125 |
| Tritanopia (no blue cones) | #BB2F3F | 0.069 |
| Achromatopsia (no color) | #656565 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA471C
#AA471C
oklch(52.3% 0.141 41.5)
- #007691
#007691
oklch(52.4% 0.096 221.1)
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 #AA471C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.024
- Sienna #A0522D ΔE 0.027
- Sinopia #BB3E03 ΔE 0.033
- Russet #A13905 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.040
- Rusty Red #AF2F0D ΔE 0.041
- Brick #A03623 ΔE 0.045
Use #AA471C 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.