#AA2B3D
Closest named color: Brown (#A52A2A). oklch(49.4% 0.162 17.9), rgb(170, 43, 61).
Aa
White text reads best on this color (6.72:1).
About this color
#AA2B3D is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.162 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.025 away. White text reads best on it, at 6.72:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #AA2B3D |
| RGB | rgb(170, 43, 61) |
| HSL | hsl(351, 60%, 42%) |
| OKLCH | oklch(49.4% 0.162 17.9) |
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 #AA2B3D | 6.72:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #AA2B3D | 3.12:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #AA2B3D text on white | 6.72:1 | AA | Lc 81.9 | Fine for body text |
| #AA2B3D text on black | 3.12:1 | AA large text | Lc -20.0 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECE
oklch(88.5% 0.044 18)
-
Step 300
300
#EFADAE
oklch(81% 0.078 17.9)
-
Step 400
400
#E47E83
oklch(70.7% 0.126 17.7)
-
Step 500
500
#D95964
oklch(63.1% 0.161 17.8)
-
Step 600
600
#C4394B
oklch(55.5% 0.175 17.8)
-
Step 700
700 (this color)
#AA2B3D
oklch(49.4% 0.162 17.9)
-
Step 800
800
#892532
oklch(42.6% 0.134 17.8)
-
Step 900
900
#6F252C
oklch(37.8% 0.105 18.1)
-
Step 950
950
#41171A
oklch(27.1% 0.065 18.2)
#AA2B3D 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) | #4E4B3D | 0.180 |
| Deuteranopia (no green cones) | #6F6539 | 0.163 |
| Tritanopia (no blue cones) | #BB0033 | 0.040 |
| Achromatopsia (no color) | #5C5C5C | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA2B3D
#AA2B3D
oklch(49.4% 0.162 17.9)
- #007073
#007073
oklch(49.5% 0.084 198)
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 #AA2B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.025
- Rouge #AB1239 ΔE 0.026
- Firebrick #B22222 ΔE 0.032
- Rufous #AE2012 ΔE 0.041
- Brick #A03623 ΔE 0.044
- Auburn #9B2226 ΔE 0.044
- Raspberry #B00149 ΔE 0.044
- Rose Red #BE013C ΔE 0.044
Use #AA2B3D 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.