#AC4720
Closest named color: Cinnamon (#AC4F06). oklch(52.6% 0.142 40), rgb(172, 71, 32).
Aa
White text reads best on this color (5.71:1).
About this color
#AC4720 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.025 away. White text reads best on it, at 5.71:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #AC4720 |
| RGB | rgb(172, 71, 32) |
| HSL | hsl(17, 69%, 40%) |
| OKLCH | oklch(52.6% 0.142 40) |
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 #AC4720 | 5.71:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #AC4720 | 3.67:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #AC4720 text on white | 5.71:1 | AA | Lc 77.8 | Fine for body text |
| #AC4720 text on black | 3.67:1 | AA large text | Lc -23.9 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A2
oklch(80.9% 0.064 39.2)
-
Step 400
400
#D78A6F
oklch(70.6% 0.102 40.1)
-
Step 500
500
#CB6B49
oklch(63.2% 0.131 39.9)
-
Step 600
600 (this color)
#AC4720
oklch(52.6% 0.142 40)
-
Step 700
700
#9C401D
oklch(49% 0.132 39.9)
-
Step 800
800
#7F361A
oklch(42.8% 0.109 40.4)
-
Step 900
900
#662F1C
oklch(37.6% 0.085 39.4)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#AC4720 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) | #64581A | 0.138 |
| Deuteranopia (no green cones) | #7C6F1C | 0.127 |
| Tritanopia (no blue cones) | #BD2F3F | 0.066 |
| Achromatopsia (no color) | #666666 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4720
#AC4720
oklch(52.6% 0.142 40)
- #007791
#007791
oklch(52.7% 0.096 220.1)
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 #AC4720, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.025
- Burnt Umber #A0450E ΔE 0.028
- Sienna #A0522D ΔE 0.029
- Sinopia #BB3E03 ΔE 0.030
- Burnt Siena #B75203 ΔE 0.039
- Russet #A13905 ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.040
- Brick Orange #C14A09 ΔE 0.044
Use #AC4720 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.