#B33D81
Closest named color: Medium Violet Red (#C71585). oklch(54.8% 0.168 348.5), rgb(179, 61, 129).
Aa
White text reads best on this color (5.38:1).
About this color
#B33D81 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.168 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.054 away. White text reads best on it, at 5.38:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.90:1 |
| White text | 5.38:1 |
Values
| HEX | #B33D81 |
| RGB | rgb(179, 61, 129) |
| HSL | hsl(325, 49%, 47%) |
| OKLCH | oklch(54.8% 0.168 348.5) |
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 #B33D81 | 5.38:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #B33D81 | 3.90:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #B33D81 text on white | 5.38:1 | AA | Lc 76.0 | Fine for body text |
| #B33D81 text on black | 3.90:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EC
oklch(93.6% 0.022 348.8)
-
Step 200
200
#F0CEDE
oklch(88.5% 0.043 348)
-
Step 300
300
#E7ADC9
oklch(80.9% 0.077 348.4)
-
Step 400
400
#D880AD
oklch(70.7% 0.121 348.7)
-
Step 500
500
#CB5D99
oklch(63.1% 0.155 348.5)
-
Step 600
600 (this color)
#B33D81
oklch(54.8% 0.168 348.5)
-
Step 700
700
#9C316F
oklch(49.1% 0.156 348.6)
-
Step 800
800
#7F2A5B
oklch(42.8% 0.129 348.3)
-
Step 900
900
#66274A
oklch(37.6% 0.1 348.5)
-
Step 950
950
#3C182C
oklch(27% 0.063 347.7)
#B33D81 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) | #4C5D83 | 0.185 |
| Deuteranopia (no green cones) | #6E727E | 0.165 |
| Tritanopia (no blue cones) | #BF395A | 0.064 |
| Achromatopsia (no color) | #6A6A6A | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B33D81
#B33D81
oklch(54.8% 0.168 348.5)
- #008565
#008565
oklch(54.8% 0.11 168.5)
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 #B33D81, closest first.
No curated palette has a color within ΔE 0.04 of #B33D81.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.054
- Light Plum #9D5783 ΔE 0.062
- Dark Pink #CB416B ΔE 0.063
- Light Burgundy #A8415B ΔE 0.064
- Dark Rose #B5485D ΔE 0.066
- Deep Rose #C74767 ΔE 0.067
- Warm Purple #952E8F ΔE 0.078
- Light Maroon #A24857 ΔE 0.079
Use #B33D81 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.