#B43378
Closest named color: Medium Violet Red (#C71585). oklch(53.5% 0.177 352), rgb(180, 51, 120).
Aa
White text reads best on this color (5.69:1).
About this color
#B43378 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.177 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.049 away. White text reads best on it, at 5.69:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #B43378 |
| RGB | rgb(180, 51, 120) |
| HSL | hsl(328, 56%, 45%) |
| OKLCH | oklch(53.5% 0.177 352) |
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 #B43378 | 5.69:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #B43378 | 3.68:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #B43378 text on white | 5.69:1 | AA | Lc 77.4 | Fine for body text |
| #B43378 text on black | 3.68:1 | AA large text | Lc -24.4 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CEDC
oklch(88.6% 0.044 352.6)
-
Step 300
300
#EAACC6
oklch(81% 0.08 352.1)
-
Step 400
400
#DC7DA9
oklch(70.6% 0.128 351.7)
-
Step 500
500
#D05994
oklch(63.1% 0.163 351.9)
-
Step 600
600 (this color)
#B43378
oklch(53.5% 0.177 352)
-
Step 700
700
#A12B6A
oklch(49.1% 0.165 352.2)
-
Step 800
800
#832657
oklch(42.8% 0.136 352)
-
Step 900
900
#692547
oklch(37.7% 0.105 352.2)
-
Step 950
950
#3E162A
oklch(26.9% 0.068 351.4)
#B43378 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) | #49587A | 0.197 |
| Deuteranopia (no green cones) | #6D6F75 | 0.176 |
| Tritanopia (no blue cones) | #C22A51 | 0.064 |
| Achromatopsia (no color) | #676767 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B43378
#B43378
oklch(53.5% 0.177 352)
- #008066
#008066
oklch(53.4% 0.104 172)
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 #B43378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.049
- Light Burgundy #A8415B ΔE 0.060
- Dark Pink #CB416B ΔE 0.064
- Dark Rose #B5485D ΔE 0.066
- Deep Rose #C74767 ΔE 0.069
- Violet Red #A50055 ΔE 0.074
- Light Plum #9D5783 ΔE 0.074
- Raspberry #B00149 ΔE 0.075
Use #B43378 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.