#AC2715
Closest named color: Rufous (#AE2012). oklch(48.8% 0.172 31.1), rgb(172, 39, 21).
Aa
White text reads best on this color (6.87:1).
About this color
#AC2715 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.172 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.008 away. White text reads best on it, at 6.87:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #AC2715 |
| RGB | rgb(172, 39, 21) |
| HSL | hsl(7, 78%, 38%) |
| OKLCH | oklch(48.8% 0.172 31.1) |
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 #AC2715 | 6.87:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #AC2715 | 3.05:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #AC2715 text on white | 6.87:1 | AA | Lc 82.3 | Fine for body text |
| #AC2715 text on black | 3.05:1 | AA large text | Lc -19.6 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F6CFC7
oklch(88.6% 0.046 31.6)
-
Step 300
300
#F1ADA0
oklch(80.8% 0.083 31.1)
-
Step 400
400
#E77F6C
oklch(70.7% 0.132 31.5)
-
Step 500
500
#DD5944
oklch(63.1% 0.17 31.3)
-
Step 600
600
#C93824
oklch(55.7% 0.185 31.1)
-
Step 700
700 (this color)
#AC2715
oklch(48.8% 0.172 31.1)
-
Step 800
800
#8C2415
oklch(42.6% 0.142 31.3)
-
Step 900
900
#712419
oklch(37.7% 0.111 30.9)
-
Step 950
950
#42160F
oklch(26.8% 0.07 31.2)
#AC2715 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) | #514810 | 0.184 |
| Deuteranopia (no green cones) | #72650B | 0.166 |
| Tritanopia (no blue cones) | #BE0025 | 0.045 |
| Achromatopsia (no color) | #5A5A5A | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC2715
#AC2715
oklch(48.8% 0.172 31.1)
- #006C7B
#006C7B
oklch(48.7% 0.085 211.3)
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 #AC2715, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.008
- Rust Red #AA2704 ΔE 0.009
- Rusty Red #AF2F0D ΔE 0.016
- Firebrick #B22222 ΔE 0.017
- Brown #A52A2A ΔE 0.022
- Brick #A03623 ΔE 0.028
- Burnt Red #9F2305 ΔE 0.030
- Russet #A13905 ΔE 0.036
Use #AC2715 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.