#B1378F
Closest named color: Medium Violet Red (#C71585). oklch(54.4% 0.183 340.9), rgb(177, 55, 143).
Aa
White text reads best on this color (5.50:1).
About this color
#B1378F is a medium-dark, vivid pink. In OKLCH its lightness is 54%, its chroma 0.183 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.050 away. White text reads best on it, at 5.50:1.
| Hue family | Pinks |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #B1378F |
| RGB | rgb(177, 55, 143) |
| HSL | hsl(317, 53%, 45%) |
| OKLCH | oklch(54.4% 0.183 340.9) |
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 #B1378F | 5.50:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #B1378F | 3.81:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #B1378F text on white | 5.50:1 | AA | Lc 76.5 | Fine for body text |
| #B1378F text on black | 3.81:1 | AA large text | Lc -25.2 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F6E4EF
oklch(93.6% 0.024 340.3)
-
Step 200
200
#EFCEE2
oklch(88.5% 0.045 341.1)
-
Step 300
300
#E6ACD1
oklch(80.9% 0.083 340.6)
-
Step 400
400
#D77EB9
oklch(70.7% 0.132 340.9)
-
Step 500
500
#CA5AA7
oklch(63.1% 0.168 341.2)
-
Step 600
600 (this color)
#B1378F
oklch(54.4% 0.183 340.9)
-
Step 700
700
#9B2C7D
oklch(49% 0.17 340.7)
-
Step 800
800
#7E2666
oklch(42.6% 0.142 340.5)
-
Step 900
900
#662553
oklch(37.7% 0.11 340.7)
-
Step 950
950
#3C1730
oklch(27% 0.068 341.6)
#B1378F 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) | #405C92 | 0.199 |
| Deuteranopia (no green cones) | #66708C | 0.174 |
| Tritanopia (no blue cones) | #BC3A5E | 0.083 |
| Achromatopsia (no color) | #696969 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1378F
#B1378F
oklch(54.4% 0.183 340.9)
- #008558
#008558
oklch(54.5% 0.122 160.9)
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 #B1378F, closest first.
No curated palette has a color within ΔE 0.04 of #B1378F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.050
- Warm Purple #952E8F ΔE 0.062
- Purply #983FB2 ΔE 0.075
- Light Plum #9D5783 ΔE 0.076
- Purpley Pink #C83CB9 ΔE 0.076
- Light Eggplant #894585 ΔE 0.079
- Dark Pink #CB416B ΔE 0.087
- Red Violet #9E0168 ΔE 0.088
Use #B1378F 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.