#AE203F
Closest named color: Rouge (#AB1239). oklch(49.2% 0.176 15.3), rgb(174, 32, 63).
Aa
White text reads best on this color (6.82:1).
About this color
#AE203F is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.176 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.016 away. White text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #AE203F |
| RGB | rgb(174, 32, 63) |
| HSL | hsl(347, 69%, 40%) |
| OKLCH | oklch(49.2% 0.176 15.3) |
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 #AE203F | 6.82:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #AE203F | 3.07:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #AE203F text on white | 6.82:1 | AA | Lc 82.0 | Fine for body text |
| #AE203F text on black | 3.07:1 | AA large text | Lc -19.9 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCF
oklch(88.5% 0.048 14.9)
-
Step 300
300
#F2AAAF
oklch(80.8% 0.085 14.5)
-
Step 400
400
#E87A85
oklch(70.6% 0.136 14.9)
-
Step 500
500
#DE5366
oklch(63.1% 0.173 15.5)
-
Step 600
600
#C92F4E
oklch(55.5% 0.189 15)
-
Step 700
700 (this color)
#AE203F
oklch(49.2% 0.176 15.3)
-
Step 800
800
#8D1E34
oklch(42.7% 0.145 15.2)
-
Step 900
900
#71202D
oklch(37.6% 0.113 15.3)
-
Step 950
950
#43141B
oklch(27% 0.073 14.5)
#AE203F 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) | #4B483F | 0.195 |
| Deuteranopia (no green cones) | #6E653B | 0.179 |
| Tritanopia (no blue cones) | #BF002E | 0.038 |
| Achromatopsia (no color) | #5B5B5B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE203F
#AE203F
oklch(49.2% 0.176 15.3)
- #007070
#007070
oklch(49.4% 0.084 194.8)
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 #AE203F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.016
- Raspberry #B00149 ΔE 0.030
- Rose Red #BE013C ΔE 0.032
- Brown #A52A2A ΔE 0.036
- Firebrick #B22222 ΔE 0.036
- Lipstick Red #C0022F ΔE 0.039
- Rufous #AE2012 ΔE 0.047
- Scarlet #BE0119 ΔE 0.047
Use #AE203F 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.