#AC4433
Closest named color: Dull Red (#BB3F3F). oklch(52.4% 0.14 31.5), rgb(172, 68, 51).
Aa
White text reads best on this color (5.78:1).
About this color
#AC4433 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.140 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.034 away. White text reads best on it, at 5.78:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #AC4433 |
| RGB | rgb(172, 68, 51) |
| HSL | hsl(8, 54%, 44%) |
| OKLCH | oklch(52.4% 0.14 31.5) |
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 #AC4433 | 5.78:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #AC4433 | 3.62:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #AC4433 text on white | 5.78:1 | AA | Lc 78.2 | Fine for body text |
| #AC4433 text on black | 3.62:1 | AA large text | Lc -23.6 | 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 600.
-
Step 50
50
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CB
oklch(88.4% 0.035 31.2)
-
Step 300
300
#E6B2A8
oklch(80.8% 0.063 30.9)
-
Step 400
400
#D88879
oklch(70.6% 0.101 31.3)
-
Step 500
500
#CB6957
oklch(63.1% 0.128 31.7)
-
Step 600
600 (this color)
#AC4433
oklch(52.4% 0.14 31.5)
-
Step 700
700
#9D3E2E
oklch(49.1% 0.13 31.7)
-
Step 800
800
#803427
oklch(42.8% 0.108 31.7)
-
Step 900
900
#672E24
oklch(37.7% 0.084 31.5)
-
Step 950
950
#3D1C16
oklch(27.2% 0.053 31.5)
#AC4433 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) | #605731 | 0.144 |
| Deuteranopia (no green cones) | #7A6E30 | 0.133 |
| Tritanopia (no blue cones) | #BD2D40 | 0.052 |
| Achromatopsia (no color) | #656565 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4433
#AC4433
oklch(52.4% 0.14 31.5)
- #007888
#007888
oklch(52.5% 0.091 210.9)
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 #AC4433, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.034
- Rusty Red #AF2F0D ΔE 0.038
- Sienna #A0522D ΔE 0.038
- Sinopia #BB3E03 ΔE 0.039
- Burnt Umber #A0450E ΔE 0.040
- Brick #A03623 ΔE 0.040
- Dusty Red #B9484E ΔE 0.042
- Russet #A13905 ΔE 0.044
Use #AC4433 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.