#AE0E2B
Closest named color: Rouge (#AB1239). oklch(47.9% 0.186 21), rgb(174, 14, 43).
Aa
White text reads best on this color (7.24:1).
About this color
#AE0E2B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.018 away. White text reads best on it, at 7.24:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #AE0E2B |
| RGB | rgb(174, 14, 43) |
| HSL | hsl(349, 85%, 37%) |
| OKLCH | oklch(47.9% 0.186 21) |
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 #AE0E2B | 7.24:1 | AAA | Lc -88.0 | Fine for body text |
| Black text on #AE0E2B | 2.89:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #AE0E2B text on white | 7.24:1 | AAA | Lc 83.0 | Fine for body text |
| #AE0E2B text on black | 2.89:1 | Fails | Lc -18.9 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F6AAA7
oklch(81% 0.09 21.8)
-
Step 400
400
#ED7879
oklch(70.7% 0.145 20.9)
-
Step 500
500
#E34E57
oklch(63% 0.184 20.8)
-
Step 600
600
#CE273C
oklch(55.5% 0.2 20.9)
-
Step 700
700 (this color)
#AE0E2B
oklch(47.9% 0.186 21)
-
Step 800
800
#911827
oklch(42.8% 0.155 21.1)
-
Step 900
900
#741D24
oklch(37.6% 0.12 20.9)
-
Step 950
950
#451316
oklch(27.1% 0.077 20.4)
#AE0E2B 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) | #48422A | 0.206 |
| Deuteranopia (no green cones) | #6D6225 | 0.188 |
| Tritanopia (no blue cones) | #C0001D | 0.038 |
| Achromatopsia (no color) | #575757 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE0E2B
#AE0E2B
oklch(47.9% 0.186 21)
- #006B70
#006B70
oklch(48% 0.082 200.5)
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 #AE0E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.018
- Firebrick #B22222 ΔE 0.026
- Brown #A52A2A ΔE 0.030
- Rufous #AE2012 ΔE 0.031
- Scarlet #BE0119 ΔE 0.036
- Lipstick Red #C0022F ΔE 0.037
- Rose Red #BE013C ΔE 0.039
- Auburn #9B2226 ΔE 0.040
Use #AE0E2B 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.