#A51D59
Closest named color: Violet Red (#A50055). oklch(48.1% 0.175 0.4), rgb(165, 29, 89).
Aa
White text reads best on this color (7.19:1).
About this color
#A51D59 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.175 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.020 away. White text reads best on it, at 7.19:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #A51D59 |
| RGB | rgb(165, 29, 89) |
| HSL | hsl(334, 70%, 38%) |
| OKLCH | oklch(48.1% 0.175 0.4) |
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 #A51D59 | 7.19:1 | AAA | Lc -88.4 | Fine for body text |
| Black text on #A51D59 | 2.91:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #A51D59 text on white | 7.19:1 | AAA | Lc 83.4 | Fine for body text |
| #A51D59 text on black | 2.91:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD7
oklch(88.5% 0.047 1.3)
-
Step 300
300
#EFAABE
oklch(80.9% 0.085 0.2)
-
Step 400
400
#E47A9C
oklch(70.7% 0.136 0.7)
-
Step 500
500
#D95384
oklch(63.2% 0.173 0.7)
-
Step 600
600
#C4316E
oklch(55.7% 0.188 0.5)
-
Step 700
700 (this color)
#A51D59
oklch(48.1% 0.175 0.4)
-
Step 800
800
#891F4B
oklch(42.7% 0.145 0.5)
-
Step 900
900
#6E213F
oklch(37.7% 0.112 0.1)
-
Step 950
950
#411425
oklch(26.9% 0.073 359.7)
#A51D59 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) | #3F475A | 0.198 |
| Deuteranopia (no green cones) | #636156 | 0.179 |
| Tritanopia (no blue cones) | #B40039 | 0.054 |
| Achromatopsia (no color) | #575757 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A51D59
#A51D59
oklch(48.1% 0.175 0.4)
- #006E60
#006E60
oklch(48.2% 0.088 179.9)
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 #A51D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.020
- Deep Magenta #A0025C ΔE 0.028
- Dark Fuchsia #9D0759 ΔE 0.029
- Raspberry #B00149 ΔE 0.032
- Berry #990F4B ΔE 0.036
- Purple Red #990147 ΔE 0.042
- Red Violet #9E0168 ΔE 0.043
- Rouge #AB1239 ΔE 0.048
Use #A51D59 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.