#B50147
Closest named color: Raspberry (#B00149). oklch(49.4% 0.197 10.2), rgb(181, 1, 71).
Aa
White text reads best on this color (6.86:1).
About this color
#B50147 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.197 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.012 away. White text reads best on it, at 6.86:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #B50147 |
| RGB | rgb(181, 1, 71) |
| HSL | hsl(337, 99%, 36%) |
| OKLCH | oklch(49.4% 0.197 10.2) |
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 #B50147 | 6.86:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #B50147 | 3.06:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #B50147 text on white | 6.86:1 | AA | Lc 81.2 | Fine for body text |
| #B50147 text on black | 3.06:1 | AA large text | Lc -20.7 | 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 700.
-
Step 50
50
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E5
oklch(93.7% 0.028 12.1)
-
Step 200
200
#FACBD1
oklch(88.4% 0.054 9.6)
-
Step 300
300
#F7A7B2
oklch(80.9% 0.095 10.4)
-
Step 400
400
#EF748A
oklch(70.8% 0.152 10.6)
-
Step 500
500
#E5476E
oklch(63.1% 0.195 10.1)
-
Step 600
600
#D01856
oklch(55.6% 0.212 10.1)
-
Step 700
700 (this color)
#B50147
oklch(49.4% 0.197 10.2)
-
Step 800
800
#920C3A
oklch(42.7% 0.163 10)
-
Step 900
900
#751832
oklch(37.6% 0.127 9.8)
-
Step 950
950
#45111D
oklch(27% 0.08 10.5)
#B50147 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) | #444548 | 0.224 |
| Deuteranopia (no green cones) | #6E6643 | 0.202 |
| Tritanopia (no blue cones) | #C70028 | 0.056 |
| Achromatopsia (no color) | #5A5A5A | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B50147
#B50147
oklch(49.4% 0.197 10.2)
- #00716C
#00716C
oklch(49.5% 0.086 189.4)
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 #B50147, closest first.
No curated palette has a color within ΔE 0.04 of #B50147.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.012
- Rose Red #BE013C ΔE 0.026
- Rouge #AB1239 ΔE 0.029
- Lipstick Red #C0022F ΔE 0.041
- Violet Red #A50055 ΔE 0.043
- Ruby #CA0147 ΔE 0.045
- Cranberry #9E003A ΔE 0.052
- Scarlet #BE0119 ΔE 0.057
Use #B50147 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.