#B4424A
Closest named color: Dusty Red (#B9484E). oklch(53.9% 0.148 19.5), rgb(180, 66, 74).
Aa
White text reads best on this color (5.49:1).
About this color
#B4424A is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.148 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.017 away. White text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.81:1 |
| White text | 5.49:1 |
Values
| HEX | #B4424A |
| RGB | rgb(180, 66, 74) |
| HSL | hsl(356, 46%, 48%) |
| OKLCH | oklch(53.9% 0.148 19.5) |
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 #B4424A | 5.49:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #B4424A | 3.81:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #B4424A text on white | 5.49:1 | AA | Lc 76.6 | Fine for body text |
| #B4424A text on black | 3.81:1 | AA large text | Lc -25.1 | 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 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
#F1D0CF
oklch(88.5% 0.037 19.9)
-
Step 300
300
#E9B0AF
oklch(80.9% 0.067 19.8)
-
Step 400
400
#DB8585
oklch(70.7% 0.106 20.1)
-
Step 500
500
#CF6367
oklch(63.1% 0.137 19.5)
-
Step 600
600 (this color)
#B4424A
oklch(53.9% 0.148 19.5)
-
Step 700
700
#A03840
oklch(49.1% 0.138 19.3)
-
Step 800
800
#822F35
oklch(42.7% 0.114 19.1)
-
Step 900
900
#692B2E
oklch(37.7% 0.089 19.4)
-
Step 950
950
#3E1A1B
oklch(27.1% 0.056 19.8)
#B4424A 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) | #5E5A4A | 0.161 |
| Deuteranopia (no green cones) | #7B7247 | 0.149 |
| Tritanopia (no blue cones) | #C52C46 | 0.041 |
| Achromatopsia (no color) | #696969 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4424A
#B4424A
oklch(53.9% 0.148 19.5)
- #007E83
#007E83
oklch(53.9% 0.092 199.7)
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 #B4424A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.017
- Dull Red #BB3F3F ΔE 0.018
- Dark Rose #B5485D ΔE 0.026
- Light Burgundy #A8415B ΔE 0.035
- Light Maroon #A24857 ΔE 0.037
- Deep Rose #C74767 ΔE 0.055
- Firebrick #B22222 ΔE 0.056
- Sinopia #BB3E03 ΔE 0.059
Use #B4424A 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.