#BB3C4B
Closest named color: Dull Red (#BB3F3F). oklch(54.3% 0.162 17.7), rgb(187, 60, 75).
Aa
White text reads best on this color (5.43:1).
About this color
#BB3C4B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.162 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.018 away. White text reads best on it, at 5.43:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #BB3C4B |
| RGB | rgb(187, 60, 75) |
| HSL | hsl(353, 51%, 48%) |
| OKLCH | oklch(54.3% 0.162 17.7) |
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 #BB3C4B | 5.43:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #BB3C4B | 3.86:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #BB3C4B text on white | 5.43:1 | AA | Lc 76.1 | Fine for body text |
| #BB3C4B text on black | 3.86:1 | AA large text | Lc -25.6 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E5
oklch(93.7% 0.021 17.5)
-
Step 200
200
#F3CFCF
oklch(88.5% 0.041 17.9)
-
Step 300
300
#ECAEAF
oklch(80.9% 0.073 17.7)
-
Step 400
400
#E08185
oklch(70.7% 0.117 17.8)
-
Step 500
500
#D45E67
oklch(63.1% 0.149 17.7)
-
Step 600
600 (this color)
#BB3C4B
oklch(54.3% 0.162 17.7)
-
Step 700
700
#A5313F
oklch(49.1% 0.151 18)
-
Step 800
800
#862A34
oklch(42.7% 0.125 18)
-
Step 900
900
#6C282E
oklch(37.8% 0.097 17.7)
-
Step 950
950
#3F181B
oklch(26.9% 0.061 17.4)
#BB3C4B 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) | #5D594B | 0.177 |
| Deuteranopia (no green cones) | #7D7348 | 0.163 |
| Tritanopia (no blue cones) | #CD1F42 | 0.042 |
| Achromatopsia (no color) | #6A6A6A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB3C4B
#BB3C4B
oklch(54.3% 0.162 17.7)
- #008083
#008083
oklch(54.4% 0.093 197.7)
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 #BB3C4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.018
- Dusty Red #B9484E ΔE 0.021
- Dark Rose #B5485D ΔE 0.028
- Light Burgundy #A8415B ΔE 0.042
- Deep Rose #C74767 ΔE 0.046
- Light Maroon #A24857 ΔE 0.050
- Ruby #CA0147 ΔE 0.053
- Rose Red #BE013C ΔE 0.053
Use #BB3C4B 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.