#AE1724
Closest named color: Firebrick (#B22222). oklch(48.2% 0.182 24.3), rgb(174, 23, 36).
Aa
White text reads best on this color (7.12:1).
About this color
#AE1724 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.182 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.017 away. White text reads best on it, at 7.12:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #AE1724 |
| RGB | rgb(174, 23, 36) |
| HSL | hsl(355, 77%, 39%) |
| OKLCH | oklch(48.2% 0.182 24.3) |
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 #AE1724 | 7.12:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #AE1724 | 2.94:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #AE1724 text on white | 7.12:1 | AAA | Lc 82.8 | Fine for body text |
| #AE1724 text on black | 2.94:1 | Fails | Lc -19.1 | 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 700.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC9
oklch(88.4% 0.049 24.3)
-
Step 300
300
#F5ABA5
oklch(81% 0.088 24.4)
-
Step 400
400
#EC7A74
oklch(70.8% 0.142 24.4)
-
Step 500
500
#E25150
oklch(63.1% 0.181 24.2)
-
Step 600
600
#CD2C34
oklch(55.6% 0.196 24.2)
-
Step 700
700 (this color)
#AE1724
oklch(48.2% 0.182 24.3)
-
Step 800
800
#901C21
oklch(42.8% 0.151 24.5)
-
Step 900
900
#731F20
oklch(37.6% 0.117 24.2)
-
Step 950
950
#441413
oklch(27% 0.075 24.6)
#AE1724 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) | #4B4323 | 0.200 |
| Deuteranopia (no green cones) | #6F631D | 0.182 |
| Tritanopia (no blue cones) | #C0001E | 0.036 |
| Achromatopsia (no color) | #585858 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE1724
#AE1724
oklch(48.2% 0.182 24.3)
- #006B74
#006B74
oklch(48.2% 0.082 205)
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 #AE1724, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.017
- Rufous #AE2012 ΔE 0.019
- Brown #A52A2A ΔE 0.023
- Rouge #AB1239 ΔE 0.028
- Rust Red #AA2704 ΔE 0.032
- Scarlet #BE0119 ΔE 0.032
- Auburn #9B2226 ΔE 0.038
- Rusty Red #AF2F0D ΔE 0.038
Use #AE1724 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.