#B1399B
Closest named color: Medium Violet Red (#C71585). oklch(55.2% 0.189 336), rgb(177, 57, 155).
Aa
White text reads best on this color (5.34:1).
About this color
#B1399B is a medium-dark, vivid pink. In OKLCH its lightness is 55%, its chroma 0.189 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.059 away. White text reads best on it, at 5.34:1.
| Hue family | Pinks |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #B1399B |
| RGB | rgb(177, 57, 155) |
| HSL | hsl(311, 51%, 46%) |
| OKLCH | oklch(55.2% 0.189 336) |
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 #B1399B | 5.34:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #B1399B | 3.92:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #B1399B text on white | 5.34:1 | AA | Lc 75.7 | Fine for body text |
| #B1399B text on black | 3.92:1 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EECEE5
oklch(88.5% 0.047 336)
-
Step 300
300
#E4ACD6
oklch(80.9% 0.085 335.6)
-
Step 400
400
#D57EC1
oklch(70.8% 0.136 336)
-
Step 500
500
#C759B1
oklch(63% 0.174 335.8)
-
Step 600
600 (this color)
#B1399B
oklch(55.2% 0.189 336)
-
Step 700
700
#992B86
oklch(49.1% 0.176 335.8)
-
Step 800
800
#7C266C
oklch(42.6% 0.145 336.1)
-
Step 900
900
#652558
oklch(37.8% 0.113 336.3)
-
Step 950
950
#3B1734
oklch(27.1% 0.071 335.3)
#B1399B 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) | #3A5F9E | 0.203 |
| Deuteranopia (no green cones) | #627198 | 0.175 |
| Tritanopia (no blue cones) | #BA4065 | 0.093 |
| Achromatopsia (no color) | #6B6B6B | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1399B
#B1399B
oklch(55.2% 0.189 336)
- #00884F
#00884F
oklch(55.1% 0.134 155.9)
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 #B1399B, closest first.
No curated palette has a color within ΔE 0.04 of #B1399B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.059
- Purply #983FB2 ΔE 0.062
- Purpley Pink #C83CB9 ΔE 0.062
- Warm Purple #952E8F ΔE 0.063
- Pinky Purple #C94CBE ΔE 0.075
- Light Plum #9D5783 ΔE 0.083
- Light Eggplant #894585 ΔE 0.085
- Amethyst #9B5FC0 ΔE 0.091
Use #B1399B 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.