#B51665
Closest named color: Raspberry (#B00149). oklch(51% 0.196 358.3), rgb(181, 22, 101).
Aa
White text reads best on this color (6.42:1).
About this color
#B51665 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.196 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.042 away. White text reads best on it, at 6.42:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.26:1 |
| White text | 6.42:1 |
Values
| HEX | #B51665 |
| RGB | rgb(181, 22, 101) |
| HSL | hsl(330, 78%, 40%) |
| OKLCH | oklch(51% 0.196 358.3) |
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 #B51665 | 6.42:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #B51665 | 3.26:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #B51665 text on white | 6.42:1 | AA | Lc 80.1 | Fine for body text |
| #B51665 text on black | 3.26:1 | AA large text | Lc -21.8 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F8CBD9
oklch(88.5% 0.054 357.7)
-
Step 300
300
#F3A7C0
oklch(80.8% 0.094 358.1)
-
Step 400
400
#EA74A0
oklch(70.8% 0.152 358.2)
-
Step 500
500
#DF4988
oklch(63.1% 0.193 358.4)
-
Step 600
600
#CA1E72
oklch(55.6% 0.21 358.3)
-
Step 700
700 (this color)
#B51665
oklch(51% 0.196 358.3)
-
Step 800
800
#8E114E
oklch(42.8% 0.163 358.4)
-
Step 900
900
#721A41
oklch(37.7% 0.126 358.3)
-
Step 950
950
#431126
oklch(26.9% 0.08 358.1)
#B51665 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) | #414C67 | 0.222 |
| Deuteranopia (no green cones) | #6B6962 | 0.198 |
| Tritanopia (no blue cones) | #C5003D | 0.066 |
| Achromatopsia (no color) | #5F5F5F | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B51665
#B51665
oklch(51% 0.196 358.3)
- #007766
#007766
oklch(50.9% 0.094 178.2)
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 #B51665, closest first.
No curated palette has a color within ΔE 0.04 of #B51665.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.042
- Violet Red #A50055 ΔE 0.044
- Deep Magenta #A0025C ΔE 0.050
- Dark Fuchsia #9D0759 ΔE 0.056
- Red Violet #9E0168 ΔE 0.057
- Medium Violet Red #C71585 ΔE 0.059
- Rose Red #BE013C ΔE 0.062
- Ruby #CA0147 ΔE 0.062
Use #B51665 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.