#AA3753
Closest named color: Light Burgundy (#A8415B). oklch(51.1% 0.151 9.6), rgb(170, 55, 83).
Aa
White text reads best on this color (6.21:1).
About this color
#AA3753 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.151 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.018 away. White text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.38:1 |
| White text | 6.21:1 |
Values
| HEX | #AA3753 |
| RGB | rgb(170, 55, 83) |
| HSL | hsl(345, 51%, 44%) |
| OKLCH | oklch(51.1% 0.151 9.6) |
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 #AA3753 | 6.21:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #AA3753 | 3.38:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #AA3753 text on white | 6.21:1 | AA | Lc 80.0 | Fine for body text |
| #AA3753 text on black | 3.38:1 | AA large text | Lc -21.8 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EBAEB6
oklch(81% 0.072 10.1)
-
Step 400
400
#DE8090
oklch(70.6% 0.117 9.6)
-
Step 500
500
#D25D75
oklch(63% 0.149 9.6)
-
Step 600
600
#BE405E
oklch(55.7% 0.162 9.8)
-
Step 700
700 (this color)
#AA3753
oklch(51.1% 0.151 9.6)
-
Step 800
800
#852A40
oklch(42.8% 0.125 9.6)
-
Step 900
900
#6B2736
oklch(37.7% 0.098 9.5)
-
Step 950
950
#3F1820
oklch(27.1% 0.061 9.3)
#AA3753 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) | #525254 | 0.167 |
| Deuteranopia (no green cones) | #706950 | 0.152 |
| Tritanopia (no blue cones) | #B92342 | 0.038 |
| Achromatopsia (no color) | #616161 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA3753
#AA3753
oklch(51.1% 0.151 9.6)
- #007671
#007671
oklch(51% 0.088 189.6)
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 #AA3753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.018
- Light Maroon #A24857 ΔE 0.033
- Dark Rose #B5485D ΔE 0.042
- Rouge #AB1239 ΔE 0.049
- Raspberry #B00149 ΔE 0.050
- Dusty Red #B9484E ΔE 0.052
- Dull Red #BB3F3F ΔE 0.052
- Brown #A52A2A ΔE 0.054
Use #AA3753 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.