#AE1037
Closest named color: Rouge (#AB1239). oklch(48.2% 0.185 16.7), rgb(174, 16, 55).
Aa
White text reads best on this color (7.16:1).
About this color
#AE1037 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.185 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.007 away. White text reads best on it, at 7.16:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.92:1 |
| White text | 7.16:1 |
Values
| HEX | #AE1037 |
| RGB | rgb(174, 16, 55) |
| HSL | hsl(345, 83%, 37%) |
| OKLCH | oklch(48.2% 0.185 16.7) |
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 #AE1037 | 7.16:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #AE1037 | 2.92:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #AE1037 text on white | 7.16:1 | AAA | Lc 82.8 | Fine for body text |
| #AE1037 text on black | 2.92:1 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F8CDCE
oklch(88.6% 0.049 16.5)
-
Step 300
300
#F5A9AC
oklch(80.9% 0.09 16.6)
-
Step 400
400
#EC7881
oklch(70.8% 0.143 16.6)
-
Step 500
500
#E24E61
oklch(63.1% 0.183 16.7)
-
Step 600
600
#CD2748
oklch(55.5% 0.199 16.6)
-
Step 700
700 (this color)
#AE1037
oklch(48.2% 0.185 16.7)
-
Step 800
800
#901830
oklch(42.7% 0.153 16.6)
-
Step 900
900
#741D2A
oklch(37.7% 0.12 16.8)
-
Step 950
950
#441319
oklch(27% 0.075 16.6)
#AE1037 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) | #464337 | 0.208 |
| Deuteranopia (no green cones) | #6C6332 | 0.190 |
| Tritanopia (no blue cones) | #C00023 | 0.042 |
| Achromatopsia (no color) | #585858 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE1037
#AE1037
oklch(48.2% 0.185 16.7)
- #006C6E
#006C6E
oklch(48.2% 0.082 197)
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 #AE1037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.007
- Raspberry #B00149 ΔE 0.029
- Rose Red #BE013C ΔE 0.033
- Firebrick #B22222 ΔE 0.036
- Brown #A52A2A ΔE 0.037
- Lipstick Red #C0022F ΔE 0.038
- Cranberry #9E003A ΔE 0.040
- Rufous #AE2012 ΔE 0.044
Use #AE1037 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.