#B3309F
Closest named color: Medium Violet Red (#C71585). oklch(54.9% 0.204 335), rgb(179, 48, 159).
Aa
White text reads best on this color (5.46:1).
About this color
#B3309F is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.204 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.058 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.204) |
| Temperature | in between |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #B3309F |
| RGB | rgb(179, 48, 159) |
| HSL | hsl(309, 58%, 45%) |
| OKLCH | oklch(54.9% 0.204 335) |
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 #B3309F | 5.46:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #B3309F | 3.84:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #B3309F text on white | 5.46:1 | AA | Lc 76.1 | Fine for body text |
| #B3309F text on black | 3.84:1 | AA large text | Lc -25.6 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E4F1
oklch(93.7% 0.026 335.5)
-
Step 200
200
#EFCDE7
oklch(88.5% 0.051 334.2)
-
Step 300
300
#E6AAD8
oklch(80.8% 0.092 335)
-
Step 400
400
#D77BC5
oklch(70.7% 0.146 334.6)
-
Step 500
500
#CA54B6
oklch(63.1% 0.188 334.7)
-
Step 600
600 (this color)
#B3309F
oklch(54.9% 0.204 335)
-
Step 700
700
#9C238A
oklch(49.1% 0.19 335)
-
Step 800
800
#7F2070
oklch(42.7% 0.157 335.2)
-
Step 900
900
#66215B
oklch(37.6% 0.123 334.6)
-
Step 950
950
#3C1535
oklch(27% 0.077 335)
#B3309F 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) | #2F5DA2 | 0.222 |
| Deuteranopia (no green cones) | #5E709C | 0.189 |
| Tritanopia (no blue cones) | #BC3B64 | 0.103 |
| Achromatopsia (no color) | #696969 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3309F
#B3309F
oklch(54.9% 0.204 335)
- #00874C
#00874C
oklch(54.8% 0.135 155)
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 #B3309F, closest first.
No curated palette has a color within ΔE 0.04 of #B3309F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.058
- Purpley Pink #C83CB9 ΔE 0.059
- Purply #983FB2 ΔE 0.062
- Warm Purple #952E8F ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.076
- Dark Orchid #9932CC ΔE 0.091
- Light Eggplant #894585 ΔE 0.094
- Medium Orchid #BA55D3 ΔE 0.095
Use #B3309F 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.