#B4424F
Closest named color: Dusty Red (#B9484E). oklch(54% 0.148 16.8), rgb(180, 66, 79).
Aa
White text reads best on this color (5.47:1).
About this color
#B4424F is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.148 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.018 away. White text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #B4424F |
| RGB | rgb(180, 66, 79) |
| HSL | hsl(353, 46%, 48%) |
| OKLCH | oklch(54% 0.148 16.8) |
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 #B4424F | 5.47:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #B4424F | 3.83:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #B4424F text on white | 5.47:1 | AA | Lc 76.5 | Fine for body text |
| #B4424F text on black | 3.83:1 | AA large text | Lc -25.2 | 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 600.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0D0
oklch(88.5% 0.037 17.9)
-
Step 300
300
#E9B0B1
oklch(81% 0.067 17.5)
-
Step 400
400
#DB8489
oklch(70.7% 0.107 16.5)
-
Step 500
500
#CE636C
oklch(63.1% 0.136 16.6)
-
Step 600
600 (this color)
#B4424F
oklch(54% 0.148 16.8)
-
Step 700
700
#A03844
oklch(49.2% 0.138 17)
-
Step 800
800
#822F38
oklch(42.8% 0.114 16.9)
-
Step 900
900
#692B30
oklch(37.8% 0.089 17.5)
-
Step 950
950
#3E1A1C
oklch(27.1% 0.056 18.1)
#B4424F 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) | #5E5A4F | 0.161 |
| Deuteranopia (no green cones) | #7B724C | 0.149 |
| Tritanopia (no blue cones) | #C42D47 | 0.038 |
| Achromatopsia (no color) | #696969 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4424F
#B4424F
oklch(54% 0.148 16.8)
- #007F81
#007F81
oklch(54.1% 0.092 196.7)
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 #B4424F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.018
- Dark Rose #B5485D ΔE 0.020
- Dull Red #BB3F3F ΔE 0.023
- Light Burgundy #A8415B ΔE 0.031
- Light Maroon #A24857 ΔE 0.035
- Deep Rose #C74767 ΔE 0.050
- Dark Pink #CB416B ΔE 0.060
- Firebrick #B22222 ΔE 0.060
Use #B4424F 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.