#BB3F3D
Closest named color: Dull Red (#BB3F3F). oklch(54.4% 0.16 25), rgb(187, 63, 61).
Aa
White text reads best on this color (5.39:1).
About this color
#BB3F3D is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.160 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.002 away. White text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #BB3F3D |
| RGB | rgb(187, 63, 61) |
| HSL | hsl(1, 51%, 49%) |
| OKLCH | oklch(54.4% 0.16 25) |
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 #BB3F3D | 5.39:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #BB3F3D | 3.89:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #BB3F3D text on white | 5.39:1 | AA | Lc 75.9 | Fine for body text |
| #BB3F3D text on black | 3.89:1 | AA large text | Lc -25.8 | 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
#DF837C
oklch(70.7% 0.115 25)
-
Step 500
500
#D4605B
oklch(63.1% 0.148 24.7)
-
Step 600
600 (this color)
#BB3F3D
oklch(54.4% 0.16 25)
-
Step 700
700
#A53432
oklch(49.2% 0.149 25.3)
-
Step 800
800
#862C2A
oklch(42.8% 0.124 25.1)
-
Step 900
900
#6C2926
oklch(37.8% 0.097 25.3)
-
Step 950
950
#3F1917
oklch(27% 0.06 24.9)
#BB3F3D 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) | #61593C | 0.171 |
| Deuteranopia (no green cones) | #807439 | 0.157 |
| Tritanopia (no blue cones) | #CD2040 | 0.048 |
| Achromatopsia (no color) | #6A6A6A | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB3F3D
#BB3F3D
oklch(54.4% 0.16 25)
- #007F89
#007F89
oklch(54.4% 0.093 204.5)
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 #BB3F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.002
- Dusty Red #B9484E ΔE 0.022
- Dark Rose #B5485D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.042
- Firebrick #B22222 ΔE 0.051
- Rusty Red #AF2F0D ΔE 0.052
- Brick Orange #C14A09 ΔE 0.052
- Light Burgundy #A8415B ΔE 0.055
Use #BB3F3D 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.