#B81B75
Closest named color: Medium Violet Red (#C71585). oklch(52.4% 0.201 352.4), rgb(184, 27, 117).
Aa
White text reads best on this color (6.08:1).
About this color
#B81B75 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.201 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.037 away. White text reads best on it, at 6.08:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #B81B75 |
| RGB | rgb(184, 27, 117) |
| HSL | hsl(326, 74%, 41%) |
| OKLCH | oklch(52.4% 0.201 352.4) |
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 #B81B75 | 6.08:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #B81B75 | 3.45:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #B81B75 text on white | 6.08:1 | AA | Lc 78.6 | Fine for body text |
| #B81B75 text on black | 3.45:1 | AA large text | Lc -23.2 | 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 600.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CCDC
oklch(88.5% 0.05 352.8)
-
Step 300
300
#EFA9C6
oklch(81% 0.09 352.7)
-
Step 400
400
#E477A9
oklch(70.7% 0.146 352.6)
-
Step 500
500
#D84F94
oklch(63.1% 0.184 352.5)
-
Step 600
600 (this color)
#B81B75
oklch(52.4% 0.201 352.4)
-
Step 700
700
#A81A6B
oklch(49.1% 0.187 352.3)
-
Step 800
800
#891A57
oklch(42.8% 0.155 352.6)
-
Step 900
900
#6E1E48
oklch(37.7% 0.121 352.2)
-
Step 950
950
#41132A
oklch(27% 0.077 352.4)
#B81B75 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) | #3E5077 | 0.228 |
| Deuteranopia (no green cones) | #6A6C72 | 0.200 |
| Tritanopia (no blue cones) | #C70048 | 0.074 |
| Achromatopsia (no color) | #626262 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B81B75
#B81B75
oklch(52.4% 0.201 352.4)
- #007C64
#007C64
oklch(52.3% 0.1 172.9)
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 #B81B75, closest first.
No curated palette has a color within ΔE 0.04 of #B81B75.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.037
- Red Violet #9E0168 ΔE 0.063
- Violet Red #A50055 ΔE 0.063
- Deep Magenta #A0025C ΔE 0.065
- Raspberry #B00149 ΔE 0.067
- Dark Hot Pink #D90166 ΔE 0.071
- Dark Fuchsia #9D0759 ΔE 0.072
- Ruby #CA0147 ΔE 0.078
Use #B81B75 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.