#AC4625
Closest named color: Burnt Umber (#A0450E). oklch(52.5% 0.142 37.9), rgb(172, 70, 37).
Aa
White text reads best on this color (5.74:1).
About this color
#AC4625 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.142 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.030 away. White text reads best on it, at 5.74:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #AC4625 |
| RGB | rgb(172, 70, 37) |
| HSL | hsl(15, 65%, 41%) |
| OKLCH | oklch(52.5% 0.142 37.9) |
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 #AC4625 | 5.74:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #AC4625 | 3.65:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #AC4625 text on white | 5.74:1 | AA | Lc 78.0 | Fine for body text |
| #AC4625 text on black | 3.65:1 | AA large text | Lc -23.8 | 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
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A3
oklch(80.9% 0.064 38.1)
-
Step 400
400
#D88A72
oklch(70.8% 0.102 37.9)
-
Step 500
500
#CB6A4C
oklch(63.1% 0.131 37.9)
-
Step 600
600 (this color)
#AC4625
oklch(52.5% 0.142 37.9)
-
Step 700
700
#9D3F21
oklch(49.1% 0.133 37.8)
-
Step 800
800
#7F351D
oklch(42.7% 0.109 38.2)
-
Step 900
900
#672F1E
oklch(37.8% 0.085 37.6)
-
Step 950
950
#3C1C12
oklch(26.9% 0.053 38.1)
#AC4625 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) | #635821 | 0.140 |
| Deuteranopia (no green cones) | #7C6F22 | 0.129 |
| Tritanopia (no blue cones) | #BD2E3F | 0.063 |
| Achromatopsia (no color) | #666666 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4625
#AC4625
oklch(52.5% 0.142 37.9)
- #00778E
#00778E
oklch(52.5% 0.094 217.5)
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 #AC4625, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.030
- Sienna #A0522D ΔE 0.031
- Sinopia #BB3E03 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.038
- Russet #A13905 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.043
- Brick #A03623 ΔE 0.044
Use #AC4625 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.