#B1318B
Closest named color: Medium Violet Red (#C71585). oklch(53.7% 0.188 342.3), rgb(177, 49, 139).
Aa
White text reads best on this color (5.70:1).
About this color
#B1318B is a medium-dark, vivid pink. In OKLCH its lightness is 54%, its chroma 0.188 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.046 away. White text reads best on it, at 5.70:1.
| Hue family | Pinks |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #B1318B |
| RGB | rgb(177, 49, 139) |
| HSL | hsl(318, 57%, 44%) |
| OKLCH | oklch(53.7% 0.188 342.3) |
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 #B1318B | 5.70:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #B1318B | 3.68:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #B1318B text on white | 5.70:1 | AA | Lc 77.4 | Fine for body text |
| #B1318B text on black | 3.68:1 | AA large text | Lc -24.3 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F6E4EE
oklch(93.6% 0.024 342.9)
-
Step 200
200
#F0CDE2
oklch(88.4% 0.048 341.4)
-
Step 300
300
#E8ABD0
oklch(80.9% 0.086 342.2)
-
Step 400
400
#D97DB8
oklch(70.8% 0.134 342.1)
-
Step 500
500
#CC57A6
oklch(63% 0.173 342)
-
Step 600
600 (this color)
#B1318B
oklch(53.7% 0.188 342.3)
-
Step 700
700
#9E297B
oklch(49.2% 0.174 342.6)
-
Step 800
800
#802464
oklch(42.7% 0.144 342.4)
-
Step 900
900
#672452
oklch(37.7% 0.112 341.9)
-
Step 950
950
#3D1630
oklch(27% 0.071 342.3)
#B1318B 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) | #3D598E | 0.207 |
| Deuteranopia (no green cones) | #656E88 | 0.180 |
| Tritanopia (no blue cones) | #BC325A | 0.083 |
| Achromatopsia (no color) | #666666 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1318B
#B1318B
oklch(53.7% 0.188 342.3)
- #008259
#008259
oklch(53.6% 0.117 162.5)
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 #B1318B, closest first.
No curated palette has a color within ΔE 0.04 of #B1318B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.046
- Warm Purple #952E8F ΔE 0.059
- Red Violet #9E0168 ΔE 0.079
- Purply #983FB2 ΔE 0.080
- Light Eggplant #894585 ΔE 0.081
- Light Plum #9D5783 ΔE 0.082
- Purpley Pink #C83CB9 ΔE 0.082
- Deep Magenta #A0025C ΔE 0.088
Use #B1318B 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.