#BC378B
Closest named color: Medium Violet Red (#C71585). oklch(56% 0.188 346.1), rgb(188, 55, 139).
Aa
White text reads best on this color (5.17:1).
About this color
#BC378B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.188 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.036 away. White text reads best on it, at 5.17:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #BC378B |
| RGB | rgb(188, 55, 139) |
| HSL | hsl(322, 55%, 48%) |
| OKLCH | oklch(56% 0.188 346.1) |
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 #BC378B | 5.17:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #BC378B | 4.05:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #BC378B text on white | 5.17:1 | AA | Lc 74.6 | Content text, not long reading |
| #BC378B text on black | 4.05:1 | AA large text | Lc -27.2 | 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
#FCF3F7
oklch(97.2% 0.011 348.4)
-
Step 100
100
#F7E4ED
oklch(93.7% 0.024 347.2)
-
Step 200
200
#F1CDE0
oklch(88.4% 0.047 345)
-
Step 300
300
#EAABCC
oklch(81% 0.085 346.4)
-
Step 400
400
#DC7CB2
oklch(70.7% 0.135 346.3)
-
Step 500
500
#D0569F
oklch(63.2% 0.173 346.3)
-
Step 600
600 (this color)
#BC378B
oklch(56% 0.188 346.1)
-
Step 700
700
#A12775
oklch(49.2% 0.175 346.3)
-
Step 800
800
#82225F
oklch(42.6% 0.145 346)
-
Step 900
900
#69234E
oklch(37.7% 0.112 346)
-
Step 950
950
#3E152E
oklch(27% 0.073 345.5)
#BC378B 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) | #475F8D | 0.209 |
| Deuteranopia (no green cones) | #6F7588 | 0.183 |
| Tritanopia (no blue cones) | #C9345C | 0.077 |
| Achromatopsia (no color) | #6D6D6D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC378B
#BC378B
oklch(56% 0.188 346.1)
- #008965
#008965
oklch(55.9% 0.115 166.5)
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 #BC378B, closest first.
No curated palette has a color within ΔE 0.04 of #BC378B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.036
- Dark Pink #CB416B ΔE 0.068
- Purpley Pink #C83CB9 ΔE 0.073
- Deep Rose #C74767 ΔE 0.076
- Dark Hot Pink #D90166 ΔE 0.079
- Light Plum #9D5783 ΔE 0.081
- Pinky Purple #C94CBE ΔE 0.083
- Warm Purple #952E8F ΔE 0.085
Use #BC378B 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.