#B52548
Closest named color: Rose Red (#BE013C). oklch(51.1% 0.179 13.1), rgb(181, 37, 72).
Aa
White text reads best on this color (6.31:1).
About this color
#B52548 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.179 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.026 away. White text reads best on it, at 6.31:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #B52548 |
| RGB | rgb(181, 37, 72) |
| HSL | hsl(345, 66%, 43%) |
| OKLCH | oklch(51.1% 0.179 13.1) |
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 #B52548 | 6.31:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #B52548 | 3.32:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #B52548 text on white | 6.31:1 | AA | Lc 79.9 | Fine for body text |
| #B52548 text on black | 3.32:1 | AA large text | Lc -21.9 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F7CDD0
oklch(88.5% 0.048 13.2)
-
Step 300
300
#F3AAB1
oklch(80.9% 0.086 12.8)
-
Step 400
400
#E97988
oklch(70.7% 0.139 12.8)
-
Step 500
500
#DF516A
oklch(63.2% 0.177 13.3)
-
Step 600
600
#CA2D52
oklch(55.6% 0.192 13.2)
-
Step 700
700 (this color)
#B52548
oklch(51.1% 0.179 13.1)
-
Step 800
800
#8D1C37
oklch(42.6% 0.147 13)
-
Step 900
900
#721F30
oklch(37.7% 0.116 12.8)
-
Step 950
950
#43141C
oklch(27% 0.073 13.2)
#B52548 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) | #4E4D48 | 0.200 |
| Deuteranopia (no green cones) | #736A44 | 0.181 |
| Tritanopia (no blue cones) | #C60034 | 0.040 |
| Achromatopsia (no color) | #606060 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B52548
#B52548
oklch(51.1% 0.179 13.1)
- #007674
#007674
oklch(51.2% 0.088 192.7)
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 #B52548, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.026
- Raspberry #B00149 ΔE 0.033
- Rouge #AB1239 ΔE 0.034
- Lipstick Red #C0022F ΔE 0.036
- Ruby #CA0147 ΔE 0.042
- Firebrick #B22222 ΔE 0.045
- Light Burgundy #A8415B ΔE 0.046
- Dull Red #BB3F3F ΔE 0.050
Use #B52548 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.