#BB3E3B
Closest named color: Dull Red (#BB3F3F). oklch(54.3% 0.162 25.5), rgb(187, 62, 59).
Aa
White text reads best on this color (5.43:1).
About this color
#BB3E3B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.162 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.005 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 | #BB3E3B |
| RGB | rgb(187, 62, 59) |
| HSL | hsl(1, 52%, 48%) |
| OKLCH | oklch(54.3% 0.162 25.5) |
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 #BB3E3B | 5.43:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #BB3E3B | 3.86:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #BB3E3B text on white | 5.43:1 | AA | Lc 76.1 | Fine for body text |
| #BB3E3B 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F3D0CC
oklch(88.6% 0.04 25.6)
-
Step 300
300
#ECAFA9
oklch(80.9% 0.072 25.2)
-
Step 400
400
#E0837B
oklch(70.8% 0.116 25.6)
-
Step 500
500
#D46059
oklch(63.1% 0.148 25.7)
-
Step 600
600 (this color)
#BB3E3B
oklch(54.3% 0.162 25.5)
-
Step 700
700
#A53331
oklch(49.1% 0.15 25.4)
-
Step 800
800
#862C29
oklch(42.7% 0.124 25.7)
-
Step 900
900
#6C2926
oklch(37.8% 0.097 25.3)
-
Step 950
950
#401916
oklch(27.1% 0.062 26.4)
#BB3E3B 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) | #60593A | 0.173 |
| Deuteranopia (no green cones) | #7F7437 | 0.160 |
| Tritanopia (no blue cones) | #CD1D3F | 0.049 |
| Achromatopsia (no color) | #6A6A6A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB3E3B
#BB3E3B
oklch(54.3% 0.162 25.5)
- #007E89
#007E89
oklch(54.1% 0.093 205.5)
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 #BB3E3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.005
- Dusty Red #B9484E ΔE 0.024
- Sinopia #BB3E03 ΔE 0.041
- Dark Rose #B5485D ΔE 0.043
- Firebrick #B22222 ΔE 0.049
- Rusty Red #AF2F0D ΔE 0.050
- Brick Orange #C14A09 ΔE 0.052
- Lipstick Red #C0022F ΔE 0.056
Use #BB3E3B 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.