#B43448
Closest named color: Dull Red (#BB3F3F). oklch(52.2% 0.164 16.1), rgb(180, 52, 72).
Aa
White text reads best on this color (5.95:1).
About this color
#B43448 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.164 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.032 away. White text reads best on it, at 5.95:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #B43448 |
| RGB | rgb(180, 52, 72) |
| HSL | hsl(351, 55%, 45%) |
| OKLCH | oklch(52.2% 0.164 16.1) |
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 #B43448 | 5.95:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #B43448 | 3.52:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #B43448 text on white | 5.95:1 | AA | Lc 78.7 | Fine for body text |
| #B43448 text on black | 3.52:1 | AA large text | Lc -23.1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#EFACAF
oklch(80.8% 0.079 16)
-
Step 400
400
#E47E85
oklch(70.7% 0.126 16.4)
-
Step 500
500
#D95867
oklch(63% 0.162 16)
-
Step 600
600
#C4384F
oklch(55.5% 0.176 15.8)
-
Step 700
700 (this color)
#B43448
oklch(52.2% 0.164 16.1)
-
Step 800
800
#892435
oklch(42.6% 0.135 15.6)
-
Step 900
900
#6F242E
oklch(37.8% 0.106 16)
-
Step 950
950
#41161B
oklch(26.9% 0.067 15.7)
#B43448 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) | #565348 | 0.180 |
| Deuteranopia (no green cones) | #766D45 | 0.165 |
| Tritanopia (no blue cones) | #C5113C | 0.041 |
| Achromatopsia (no color) | #646464 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B43448
#B43448
oklch(52.2% 0.164 16.1)
- #00797A
#00797A
oklch(52.2% 0.089 195.8)
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 #B43448, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Light Burgundy #A8415B ΔE 0.035
- Dusty Red #B9484E ΔE 0.039
- Dark Rose #B5485D ΔE 0.039
- Rose Red #BE013C ΔE 0.042
- Firebrick #B22222 ΔE 0.044
- Lipstick Red #C0022F ΔE 0.045
- Light Maroon #A24857 ΔE 0.045
Use #B43448 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.