#B4155D
Closest named color: Raspberry (#B00149). oklch(50.5% 0.193 1.5), rgb(180, 21, 93).
Aa
White text reads best on this color (6.55:1).
About this color
#B4155D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.193 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.030 away. White text reads best on it, at 6.55:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #B4155D |
| RGB | rgb(180, 21, 93) |
| HSL | hsl(333, 79%, 39%) |
| OKLCH | oklch(50.5% 0.193 1.5) |
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 #B4155D | 6.55:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #B4155D | 3.20:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #B4155D text on white | 6.55:1 | AA | Lc 80.5 | Fine for body text |
| #B4155D text on black | 3.20:1 | AA large text | Lc -21.3 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F8CCD7
oklch(88.6% 0.052 1.5)
-
Step 300
300
#F4A7BC
oklch(80.8% 0.094 1.6)
-
Step 400
400
#EA759A
oklch(70.7% 0.149 1.6)
-
Step 500
500
#E04981
oklch(63% 0.192 1.6)
-
Step 600
600
#CB206B
oklch(55.6% 0.207 1.5)
-
Step 700
700 (this color)
#B4155D
oklch(50.5% 0.193 1.5)
-
Step 800
800
#8E1249
oklch(42.6% 0.16 1.4)
-
Step 900
900
#721A3D
oklch(37.6% 0.125 1.3)
-
Step 950
950
#431224
oklch(27% 0.078 1.1)
#B4155D 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) | #424A5E | 0.220 |
| Deuteranopia (no green cones) | #6C6859 | 0.196 |
| Tritanopia (no blue cones) | #C40039 | 0.060 |
| Achromatopsia (no color) | #5D5D5D | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4155D
#B4155D
oklch(50.5% 0.193 1.5)
- #007568
#007568
oklch(50.4% 0.091 181.6)
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 #B4155D, closest first.
No curated palette has a color within ΔE 0.04 of #B4155D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.030
- Violet Red #A50055 ΔE 0.038
- Deep Magenta #A0025C ΔE 0.048
- Rose Red #BE013C ΔE 0.051
- Dark Fuchsia #9D0759 ΔE 0.053
- Rouge #AB1239 ΔE 0.055
- Ruby #CA0147 ΔE 0.055
- Red Violet #9E0168 ΔE 0.059
Use #B4155D 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.