#AC570D
Closest named color: Cinnamon (#AC4F06). oklch(55% 0.134 53.2), rgb(172, 87, 13).
Aa
White text reads best on this color (5.09:1).
About this color
#AC570D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.134 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.018 away. White text reads best on it, at 5.09:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #AC570D |
| RGB | rgb(172, 87, 13) |
| HSL | hsl(28, 86%, 36%) |
| OKLCH | oklch(55% 0.134 53.2) |
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 #AC570D | 5.09:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #AC570D | 4.12:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #AC570D text on white | 5.09:1 | AA | Lc 74.6 | Content text, not long reading |
| #AC570D text on black | 4.12:1 | AA large text | Lc -27.1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#ECD4C5
oklch(88.6% 0.034 54.1)
-
Step 300
300
#E1B79D
oklch(81% 0.06 53.4)
-
Step 400
400
#D09066
oklch(70.7% 0.096 53.8)
-
Step 500
500
#C3723A
oklch(63.1% 0.124 53)
-
Step 600
600 (this color)
#AC570D
oklch(55% 0.134 53.2)
-
Step 700
700
#954800
oklch(49% 0.124 53)
-
Step 800
800
#793C08
oklch(42.7% 0.103 53.4)
-
Step 900
900
#623412
oklch(37.7% 0.08 53.5)
-
Step 950
950
#3A1F0C
oklch(27.1% 0.052 53.7)
#AC570D 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) | #706200 | 0.112 |
| Deuteranopia (no green cones) | #85760A | 0.101 |
| Tritanopia (no blue cones) | #BD434A | 0.085 |
| Achromatopsia (no color) | #6E6E6E | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC570D
#AC570D
oklch(55% 0.134 53.2)
- #007BA9
#007BA9
oklch(54.9% 0.114 233.6)
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 #AC570D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.018
- Raw Umber #A75E09 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.022
- Orangey Brown #B16002 ΔE 0.025
- Umber #B26400 ΔE 0.035
- Sienna #A0522D ΔE 0.036
- Copper #B66325 ΔE 0.036
- Sepia #985E2B ΔE 0.038
Use #AC570D 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.