#BF3F3F
Closest named color: Dull Red (#BB3F3F). oklch(55.1% 0.164 24.3), rgb(191, 63, 63).
Aa
White text reads best on this color (5.25:1).
About this color
#BF3F3F is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.164 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.008 away. White text reads best on it, at 5.25:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #BF3F3F |
| RGB | rgb(191, 63, 63) |
| HSL | hsl(0, 50%, 50%) |
| OKLCH | oklch(55.1% 0.164 24.3) |
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 #BF3F3F | 5.25:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #BF3F3F | 3.99:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #BF3F3F text on white | 5.25:1 | AA | Lc 75.1 | Fine for body text |
| #BF3F3F text on black | 3.99:1 | AA large text | Lc -26.6 | 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
#F3CFCC
oklch(88.4% 0.041 23.6)
-
Step 300
300
#EDAFA9
oklch(81% 0.074 25.1)
-
Step 400
400
#E1827C
oklch(70.8% 0.118 24.3)
-
Step 500
500
#D55E5B
oklch(63% 0.151 23.8)
-
Step 600
600 (this color)
#BF3F3F
oklch(55.1% 0.164 24.3)
-
Step 700
700
#A63132
oklch(49.1% 0.153 24.4)
-
Step 800
800
#872A2A
oklch(42.7% 0.127 24.3)
-
Step 900
900
#6D2826
oklch(37.8% 0.099 24.7)
-
Step 950
950
#401817
oklch(27% 0.063 23.6)
#BF3F3F 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) | #625B3E | 0.176 |
| Deuteranopia (no green cones) | #82763B | 0.162 |
| Tritanopia (no blue cones) | #D21E40 | 0.048 |
| Achromatopsia (no color) | #6C6C6C | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3F3F
#BF3F3F
oklch(55.1% 0.164 24.3)
- #00818B
#00818B
oklch(55% 0.094 204.4)
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 #BF3F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.008
- Dusty Red #B9484E ΔE 0.022
- Dark Rose #B5485D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.046
- Faded Red #D3494E ΔE 0.048
- Dark Coral #CF524E ΔE 0.052
- Brick Orange #C14A09 ΔE 0.053
- Deep Rose #C74767 ΔE 0.054
Use #BF3F3F 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.