#A5253A
Closest named color: Rouge (#AB1239). oklch(47.9% 0.163 17.3), rgb(165, 37, 58).
Aa
White text reads best on this color (7.17:1).
About this color
#A5253A is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.163 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.019 away. White text reads best on it, at 7.17:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #A5253A |
| RGB | rgb(165, 37, 58) |
| HSL | hsl(350, 63%, 40%) |
| OKLCH | oklch(47.9% 0.163 17.3) |
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 #A5253A | 7.17:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #A5253A | 2.92:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #A5253A text on white | 7.17:1 | AAA | Lc 83.6 | Fine for body text |
| #A5253A text on black | 2.92:1 | Fails | Lc -18.4 | 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
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#EFACAE
oklch(80.8% 0.079 17)
-
Step 400
400
#E47E84
oklch(70.7% 0.126 17.1)
-
Step 500
500
#D95965
oklch(63.1% 0.161 17.3)
-
Step 600
600
#C4394C
oklch(55.5% 0.175 17.4)
-
Step 700
700 (this color)
#A5253A
oklch(47.9% 0.163 17.3)
-
Step 800
800
#892533
oklch(42.7% 0.134 17.2)
-
Step 900
900
#6F242C
oklch(37.7% 0.106 17.6)
-
Step 950
950
#41161A
oklch(26.9% 0.067 17.2)
#A5253A 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) | #4A463A | 0.180 |
| Deuteranopia (no green cones) | #6A6136 | 0.165 |
| Tritanopia (no blue cones) | #B5002E | 0.036 |
| Achromatopsia (no color) | #575757 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5253A
#A5253A
oklch(47.9% 0.163 17.3)
- #006B6D
#006B6D
oklch(47.9% 0.081 197)
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 #A5253A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.019
- Brown #A52A2A ΔE 0.024
- Auburn #9B2226 ΔE 0.032
- Firebrick #B22222 ΔE 0.038
- Cranberry #9E003A ΔE 0.040
- Raspberry #B00149 ΔE 0.042
- Rufous #AE2012 ΔE 0.042
- Brick #A03623 ΔE 0.045
Use #A5253A 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.