#B42451
Closest named color: Raspberry (#B00149). oklch(51% 0.18 8.6), rgb(180, 36, 81).
Aa
White text reads best on this color (6.34:1).
About this color
#B42451 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.029 away. White text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.31:1 |
| White text | 6.34:1 |
Values
| HEX | #B42451 |
| RGB | rgb(180, 36, 81) |
| HSL | hsl(341, 67%, 42%) |
| OKLCH | oklch(51% 0.18 8.6) |
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 #B42451 | 6.34:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #B42451 | 3.31:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #B42451 text on white | 6.34:1 | AA | Lc 80.0 | Fine for body text |
| #B42451 text on black | 3.31:1 | AA large text | Lc -21.8 | 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
#FAE3E6
oklch(93.5% 0.026 8.6)
-
Step 200
200
#F7CDD3
oklch(88.6% 0.048 8.4)
-
Step 300
300
#F2A9B5
oklch(80.8% 0.087 8.4)
-
Step 400
400
#E8798F
oklch(70.7% 0.138 8.7)
-
Step 500
500
#DE5073
oklch(63.1% 0.178 8.8)
-
Step 600
600
#C92C5C
oklch(55.6% 0.193 8.7)
-
Step 700
700 (this color)
#B42451
oklch(51% 0.18 8.6)
-
Step 800
800
#8D1B3E
oklch(42.7% 0.149 8.8)
-
Step 900
900
#711F35
oklch(37.7% 0.115 8.6)
-
Step 950
950
#43141F
oklch(27.1% 0.073 9.1)
#B42451 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) | #4B4D52 | 0.203 |
| Deuteranopia (no green cones) | #716A4D | 0.184 |
| Tritanopia (no blue cones) | #C50038 | 0.045 |
| Achromatopsia (no color) | #5F5F5F | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B42451
#B42451
oklch(51% 0.18 8.6)
- #007670
#007670
oklch(51% 0.089 188.6)
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 #B42451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.029
- Rose Red #BE013C ΔE 0.034
- Rouge #AB1239 ΔE 0.040
- Light Burgundy #A8415B ΔE 0.044
- Ruby #CA0147 ΔE 0.045
- Lipstick Red #C0022F ΔE 0.047
- Violet Red #A50055 ΔE 0.051
- Dark Rose #B5485D ΔE 0.057
Use #B42451 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.