#B3424B
Closest named color: Dusty Red (#B9484E). oklch(53.7% 0.147 18.9), rgb(179, 66, 75).
Aa
White text reads best on this color (5.52:1).
About this color
#B3424B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.147 and its hue 19°. 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 5.52:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.79:1 |
| White text | 5.52:1 |
Values
| HEX | #B3424B |
| RGB | rgb(179, 66, 75) |
| HSL | hsl(355, 46%, 48%) |
| OKLCH | oklch(53.7% 0.147 18.9) |
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 #B3424B | 5.52:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #B3424B | 3.79:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #B3424B text on white | 5.52:1 | AA | Lc 76.8 | Fine for body text |
| #B3424B text on black | 3.79:1 | AA large text | Lc -24.9 | 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 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
#E8B0B0
oklch(80.9% 0.066 18.6)
-
Step 400
400
#DB8586
oklch(70.8% 0.106 19.3)
-
Step 500
500
#CE6469
oklch(63.1% 0.134 18.8)
-
Step 600
600 (this color)
#B3424B
oklch(53.7% 0.147 18.9)
-
Step 700
700
#9F3841
oklch(49% 0.137 18.6)
-
Step 800
800
#813036
oklch(42.7% 0.112 18.8)
-
Step 900
900
#682B2F
oklch(37.6% 0.088 18.3)
-
Step 950
950
#3D1A1B
oklch(26.9% 0.055 19.7)
#B3424B 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) | #5E5A4B | 0.159 |
| Deuteranopia (no green cones) | #7B7148 | 0.146 |
| Tritanopia (no blue cones) | #C42D46 | 0.040 |
| Achromatopsia (no color) | #696969 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3424B
#B3424B
oklch(53.7% 0.147 18.9)
- #007E82
#007E82
oklch(53.9% 0.092 198.7)
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 #B3424B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.018
- Dull Red #BB3F3F ΔE 0.021
- Dark Rose #B5485D ΔE 0.025
- Light Burgundy #A8415B ΔE 0.033
- Light Maroon #A24857 ΔE 0.035
- Deep Rose #C74767 ΔE 0.055
- Firebrick #B22222 ΔE 0.057
- Sinopia #BB3E03 ΔE 0.060
Use #B3424B 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.