#AA153E
Closest named color: Rouge (#AB1239). oklch(47.8% 0.179 13.6), rgb(170, 21, 62).
Aa
White text reads best on this color (7.27:1).
About this color
#AA153E is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.179 and its hue 14°. 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 7.27:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #AA153E |
| RGB | rgb(170, 21, 62) |
| HSL | hsl(343, 78%, 37%) |
| OKLCH | oklch(47.8% 0.179 13.6) |
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 #AA153E | 7.27:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #AA153E | 2.88:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #AA153E text on white | 7.27:1 | AAA | Lc 83.4 | Fine for body text |
| #AA153E text on black | 2.88:1 | Fails | Lc -18.5 | 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
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F7CDD0
oklch(88.5% 0.048 13.2)
-
Step 300
300
#F3AAB0
oklch(80.9% 0.086 13.7)
-
Step 400
400
#E97987
oklch(70.7% 0.138 13.4)
-
Step 500
500
#DF5169
oklch(63.1% 0.177 13.7)
-
Step 600
600
#CA2C51
oklch(55.5% 0.193 13.4)
-
Step 700
700 (this color)
#AA153E
oklch(47.8% 0.179 13.6)
-
Step 800
800
#8E1B36
oklch(42.7% 0.149 13.6)
-
Step 900
900
#721F2F
oklch(37.7% 0.116 13.5)
-
Step 950
950
#43141C
oklch(27% 0.073 13.2)
#AA153E 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) | #45433E | 0.201 |
| Deuteranopia (no green cones) | #6A613A | 0.182 |
| Tritanopia (no blue cones) | #BB0029 | 0.042 |
| Achromatopsia (no color) | #575757 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA153E
#AA153E
oklch(47.8% 0.179 13.6)
- #006B6A
#006B6A
oklch(47.7% 0.082 193.6)
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 #AA153E, 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 0.023
- Cranberry #9E003A ΔE 0.033
- Rose Red #BE013C ΔE 0.040
- Brown #A52A2A ΔE 0.041
- Violet Red #A50055 ΔE 0.045
- Firebrick #B22222 ΔE 0.045
- Auburn #9B2226 ΔE 0.046
Use #AA153E 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.