#B41451
Closest named color: Raspberry (#B00149). oklch(50.1% 0.191 6.8), rgb(180, 20, 81).
Aa
White text reads best on this color (6.64:1).
About this color
#B41451 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.191 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.017 away. White text reads best on it, at 6.64:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.15:1 |
| White text | 6.64:1 |
Values
| HEX | #B41451 |
| RGB | rgb(180, 20, 81) |
| HSL | hsl(337, 80%, 39%) |
| OKLCH | oklch(50.1% 0.191 6.8) |
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 #B41451 | 6.64:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #B41451 | 3.15:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #B41451 text on white | 6.64:1 | AA | Lc 80.9 | Fine for body text |
| #B41451 text on black | 3.15:1 | AA large text | Lc -21.0 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD3
oklch(88.5% 0.05 7.4)
-
Step 300
300
#F5A8B6
oklch(81% 0.092 7.4)
-
Step 400
400
#EB7591
oklch(70.6% 0.148 6.6)
-
Step 500
500
#E14A76
oklch(63% 0.189 6.7)
-
Step 600
600
#CD215F
oklch(55.7% 0.205 6.8)
-
Step 700
700 (this color)
#B41451
oklch(50.1% 0.191 6.8)
-
Step 800
800
#8F1340
oklch(42.6% 0.158 6.8)
-
Step 900
900
#731B36
oklch(37.7% 0.123 7.1)
-
Step 950
950
#441220
oklch(27% 0.078 6.9)
#B41451 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) | #454952 | 0.217 |
| Deuteranopia (no green cones) | #6E674D | 0.194 |
| Tritanopia (no blue cones) | #C50032 | 0.053 |
| Achromatopsia (no color) | #5C5C5C | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B41451
#B41451
oklch(50.1% 0.191 6.8)
- #00736C
#00736C
oklch(50% 0.087 187.4)
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 #B41451, closest first.
No curated palette has a color within ΔE 0.04 of #B41451.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.017
- Rose Red #BE013C ΔE 0.035
- Rouge #AB1239 ΔE 0.038
- Violet Red #A50055 ΔE 0.040
- Ruby #CA0147 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.050
- Deep Magenta #A0025C ΔE 0.054
- Dark Fuchsia #9D0759 ΔE 0.057
Use #B41451 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.