#B33F81
Closest named color: Medium Violet Red (#C71585). oklch(55% 0.165 348.7), rgb(179, 63, 129).
Aa
White text reads best on this color (5.32:1).
About this color
#B33F81 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.165 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.057 away. White text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #B33F81 |
| RGB | rgb(179, 63, 129) |
| HSL | hsl(326, 48%, 47%) |
| OKLCH | oklch(55% 0.165 348.7) |
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 #B33F81 | 5.32:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #B33F81 | 3.94:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #B33F81 text on white | 5.32:1 | AA | Lc 75.7 | Fine for body text |
| #B33F81 text on black | 3.94:1 | AA large text | Lc -26.1 | 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
#EFCFDD
oklch(88.5% 0.04 349.7)
-
Step 300
300
#E6ADC8
oklch(80.8% 0.075 348.9)
-
Step 400
400
#D781AD
oklch(70.8% 0.119 348.5)
-
Step 500
500
#CA5E98
oklch(63.1% 0.152 348.9)
-
Step 600
600 (this color)
#B33F81
oklch(55% 0.165 348.7)
-
Step 700
700
#9C326F
oklch(49.2% 0.154 348.8)
-
Step 800
800
#7E2B5A
oklch(42.7% 0.126 348.8)
-
Step 900
900
#66284A
oklch(37.7% 0.099 348.8)
-
Step 950
950
#3C182B
oklch(27% 0.063 349.2)
#B33F81 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) | #4E5E83 | 0.182 |
| Deuteranopia (no green cones) | #6F737E | 0.163 |
| Tritanopia (no blue cones) | #BF3B5A | 0.064 |
| Achromatopsia (no color) | #6B6B6B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B33F81
#B33F81
oklch(55% 0.165 348.7)
- #008666
#008666
oklch(55.1% 0.111 168.6)
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 #B33F81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.057
- Light Plum #9D5783 ΔE 0.059
- Dark Pink #CB416B ΔE 0.062
- Light Burgundy #A8415B ΔE 0.063
- Dark Rose #B5485D ΔE 0.064
- Deep Rose #C74767 ΔE 0.065
- Light Maroon #A24857 ΔE 0.078
- Warm Purple #952E8F ΔE 0.080
Use #B33F81 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.