#A51C65
Closest named color: Deep Magenta (#A0025C). oklch(48.4% 0.18 354.4), rgb(165, 28, 101).
Aa
White text reads best on this color (7.10:1).
About this color
#A51C65 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.180 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Magenta (#A0025C), ΔE 0.025 away. White text reads best on it, at 7.10:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Deep Magenta (#A0025C) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #A51C65 |
| RGB | rgb(165, 28, 101) |
| HSL | hsl(328, 71%, 38%) |
| OKLCH | oklch(48.4% 0.18 354.4) |
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 #A51C65 | 7.10:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #A51C65 | 2.95:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #A51C65 text on white | 7.10:1 | AAA | Lc 83.1 | Fine for body text |
| #A51C65 text on black | 2.95:1 | Fails | Lc -18.8 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F4CDDB
oklch(88.5% 0.047 354.5)
-
Step 300
300
#EEA9C4
oklch(80.8% 0.088 354)
-
Step 400
400
#E379A6
oklch(70.8% 0.14 354.4)
-
Step 500
500
#D75190
oklch(63% 0.179 354.3)
-
Step 600
600
#C22F7A
oklch(55.6% 0.193 354.4)
-
Step 700
700 (this color)
#A51C65
oklch(48.4% 0.18 354.4)
-
Step 800
800
#881D54
oklch(42.7% 0.15 354.3)
-
Step 900
900
#6D2045
oklch(37.6% 0.115 354.5)
-
Step 950
950
#411429
oklch(27.1% 0.074 354.2)
#A51C65 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) | #3A4867 | 0.205 |
| Deuteranopia (no green cones) | #616162 | 0.180 |
| Tritanopia (no blue cones) | #B3023F | 0.063 |
| Achromatopsia (no color) | #585858 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A51C65
#A51C65
oklch(48.4% 0.18 354.4)
- #006F5B
#006F5B
oklch(48.3% 0.092 174.5)
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 #A51C65, closest first.
No curated palette has a color within ΔE 0.04 of #A51C65.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Magenta #A0025C ΔE 0.025
- Violet Red #A50055 ΔE 0.027
- Dark Fuchsia #9D0759 ΔE 0.030
- Red Violet #9E0168 ΔE 0.030
- Berry #990F4B ΔE 0.047
- Raspberry #B00149 ΔE 0.047
- Purple Red #990147 ΔE 0.054
- Mulberry #920A4E ΔE 0.055
Use #A51C65 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.