#A51E75
Closest named color: Red Violet (#9E0168). oklch(49.2% 0.187 347), rgb(165, 30, 117).
Aa
White text reads best on this color (6.90:1).
About this color
#A51E75 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.187 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.032 away. White text reads best on it, at 6.90:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #A51E75 |
| RGB | rgb(165, 30, 117) |
| HSL | hsl(321, 69%, 38%) |
| OKLCH | oklch(49.2% 0.187 347) |
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 #A51E75 | 6.90:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #A51E75 | 3.04:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #A51E75 text on white | 6.90:1 | AA | Lc 82.4 | Fine for body text |
| #A51E75 text on black | 3.04:1 | AA large text | Lc -19.5 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CCDF
oklch(88.4% 0.05 347.3)
-
Step 300
300
#ECA9CC
oklch(80.8% 0.09 346.7)
-
Step 400
400
#E078B2
oklch(70.6% 0.145 346.9)
-
Step 500
500
#D4519F
oklch(63.1% 0.184 346.9)
-
Step 600
600
#BF2D89
oklch(55.5% 0.201 347.1)
-
Step 700
700 (this color)
#A51E75
oklch(49.2% 0.187 347)
-
Step 800
800
#861C5F
oklch(42.7% 0.155 347.1)
-
Step 900
900
#6C1F4E
oklch(37.7% 0.121 346.9)
-
Step 950
950
#40142E
oklch(27.2% 0.077 346.9)
#A51E75 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) | #344B77 | 0.210 |
| Deuteranopia (no green cones) | #5D6272 | 0.182 |
| Tritanopia (no blue cones) | #B11748 | 0.076 |
| Achromatopsia (no color) | #5A5A5A | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A51E75
#A51E75
oklch(49.2% 0.187 347)
- #007355
#007355
oklch(49.3% 0.101 167)
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 #A51E75, closest first.
No curated palette has a color within ΔE 0.04 of #A51E75.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.032
- Deep Magenta #A0025C ΔE 0.042
- Dark Fuchsia #9D0759 ΔE 0.048
- Violet Red #A50055 ΔE 0.050
- Warm Purple #952E8F ΔE 0.054
- Berry #990F4B ΔE 0.069
- Medium Violet Red #C71585 ΔE 0.071
- Raspberry #B00149 ΔE 0.071
Use #A51E75 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.