#A5253F
Closest named color: Rouge (#AB1239). oklch(48% 0.163 14.9), rgb(165, 37, 63).
Aa
White text reads best on this color (7.15:1).
About this color
#A5253F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.163 and its hue 15°. 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 7.15:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #A5253F |
| RGB | rgb(165, 37, 63) |
| HSL | hsl(348, 63%, 40%) |
| OKLCH | oklch(48% 0.163 14.9) |
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 #A5253F | 7.15:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #A5253F | 2.93:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #A5253F text on white | 7.15:1 | AAA | Lc 83.5 | Fine for body text |
| #A5253F text on black | 2.93:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#EFACB0
oklch(80.9% 0.079 15)
-
Step 400
400
#E47E87
oklch(70.8% 0.126 15.2)
-
Step 500
500
#D9586A
oklch(63.1% 0.162 14.6)
-
Step 600
600
#C43951
oklch(55.6% 0.175 15.2)
-
Step 700
700 (this color)
#A5253F
oklch(48% 0.163 14.9)
-
Step 800
800
#892437
oklch(42.6% 0.135 14.4)
-
Step 900
900
#6E242F
oklch(37.6% 0.105 14.9)
-
Step 950
950
#41161C
oklch(27% 0.067 14.3)
#A5253F 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) | #49473F | 0.181 |
| Deuteranopia (no green cones) | #6A613C | 0.164 |
| Tritanopia (no blue cones) | #B50030 | 0.037 |
| Achromatopsia (no color) | #585858 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5253F
#A5253F
oklch(48% 0.163 14.9)
- #006C6C
#006C6C
oklch(48.1% 0.082 194.8)
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 #A5253F, 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 0.030
- Raspberry #B00149 ΔE 0.037
- Auburn #9B2226 ΔE 0.038
- Cranberry #9E003A ΔE 0.038
- Firebrick #B22222 ΔE 0.043
- Berry #990F4B ΔE 0.049
- Rufous #AE2012 ΔE 0.049
Use #A5253F 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.