#B131B5
Closest named color: Purply (#983FB2). oklch(55.9% 0.218 326.7), rgb(177, 49, 181).
Aa
White text reads best on this color (5.28:1).
About this color
#B131B5 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.218 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.050 away. White text reads best on it, at 5.28:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #B131B5 |
| RGB | rgb(177, 49, 181) |
| HSL | hsl(298, 57%, 45%) |
| OKLCH | oklch(55.9% 0.218 326.7) |
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 #B131B5 | 5.28:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #B131B5 | 3.97:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #B131B5 text on white | 5.28:1 | AA | Lc 75.1 | Fine for body text |
| #B131B5 text on black | 3.97:1 | AA large text | Lc -26.7 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F5E4F4
oklch(93.7% 0.028 327.6)
-
Step 200
200
#EDCDEC
oklch(88.4% 0.054 327)
-
Step 300
300
#E3AAE2
oklch(80.8% 0.099 327)
-
Step 400
400
#D37AD3
oklch(70.7% 0.158 327.1)
-
Step 500
500
#C553C8
oklch(63.1% 0.201 326.6)
-
Step 600
600 (this color)
#B131B5
oklch(55.9% 0.218 326.7)
-
Step 700
700
#97209B
oklch(49.1% 0.203 326.7)
-
Step 800
800
#7B1E7E
oklch(42.7% 0.169 326.7)
-
Step 900
900
#632165
oklch(37.7% 0.13 326.6)
-
Step 950
950
#3A153B
oklch(27% 0.082 326.5)
#B131B5 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) | #0F61B9 | 0.233 |
| Deuteranopia (no green cones) | #5171B2 | 0.195 |
| Tritanopia (no blue cones) | #B64771 | 0.123 |
| Achromatopsia (no color) | #6C6C6C | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B131B5
#B131B5
oklch(55.9% 0.218 326.7)
- #008C2F
#008C2F
oklch(55.7% 0.167 146.6)
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 #B131B5, closest first.
No curated palette has a color within ΔE 0.04 of #B131B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.050
- Purpley Pink #C83CB9 ΔE 0.051
- Dark Orchid #9932CC ΔE 0.062
- Pinky Purple #C94CBE ΔE 0.069
- Medium Orchid #BA55D3 ΔE 0.074
- Vibrant Purple #AD03DE ΔE 0.075
- Warm Purple #952E8F ΔE 0.079
- Amethyst #9B5FC0 ΔE 0.088
Use #B131B5 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.