#B30B71
Closest named color: Red Violet (#9E0168). oklch(50.7% 0.205 352.1), rgb(179, 11, 113).
Aa
White text reads best on this color (6.55:1).
About this color
#B30B71 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.205 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.047 away. White text reads best on it, at 6.55:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #B30B71 |
| RGB | rgb(179, 11, 113) |
| HSL | hsl(324, 88%, 37%) |
| OKLCH | oklch(50.7% 0.205 352.1) |
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 #B30B71 | 6.55:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B30B71 | 3.20:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #B30B71 text on white | 6.55:1 | AA | Lc 80.3 | Fine for body text |
| #B30B71 text on black | 3.20:1 | AA large text | Lc -21.5 | 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 700.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDD
oklch(88.5% 0.055 351.8)
-
Step 300
300
#F3A6C7
oklch(80.9% 0.099 352.2)
-
Step 400
400
#E972AB
oklch(70.7% 0.159 351.9)
-
Step 500
500
#DE4596
oklch(63% 0.203 352)
-
Step 600
600
#C91680
oklch(55.5% 0.22 352.1)
-
Step 700
700 (this color)
#B30B71
oklch(50.7% 0.205 352.1)
-
Step 800
800
#8D0B58
oklch(42.7% 0.17 352.3)
-
Step 900
900
#711749
oklch(37.6% 0.133 351.6)
-
Step 950
950
#43102B
oklch(27% 0.084 351.6)
#B30B71 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) | #374B73 | 0.234 |
| Deuteranopia (no green cones) | #65676E | 0.203 |
| Tritanopia (no blue cones) | #C10042 | 0.079 |
| Achromatopsia (no color) | #5D5D5D | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B30B71
#B30B71
oklch(50.7% 0.205 352.1)
- #00775F
#00775F
oklch(50.7% 0.098 172.2)
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 #B30B71, closest first.
No curated palette has a color within ΔE 0.04 of #B30B71.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.047
- Medium Violet Red #C71585 ΔE 0.050
- Deep Magenta #A0025C ΔE 0.050
- Violet Red #A50055 ΔE 0.051
- Dark Fuchsia #9D0759 ΔE 0.058
- Raspberry #B00149 ΔE 0.062
- Berry #990F4B ΔE 0.078
- Warm Purple #952E8F ΔE 0.078
Use #B30B71 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.