#BF3133
Closest named color: Dull Red (#BB3F3F). oklch(53.5% 0.179 25), rgb(191, 49, 51).
Aa
White text reads best on this color (5.67:1).
About this color
#BF3133 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.179 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.021 away. White text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #BF3133 |
| RGB | rgb(191, 49, 51) |
| HSL | hsl(359, 59%, 47%) |
| OKLCH | oklch(53.5% 0.179 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 #BF3133 | 5.67:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #BF3133 | 3.70:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #BF3133 text on white | 5.67:1 | AA | Lc 77.0 | Fine for body text |
| #BF3133 text on black | 3.70:1 | AA large text | Lc -24.7 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F6CECA
oklch(88.4% 0.046 24.8)
-
Step 300
300
#F0ADA6
oklch(80.9% 0.08 25.7)
-
Step 400
400
#E67E77
oklch(70.7% 0.13 24.9)
-
Step 500
500
#DB5954
oklch(63.1% 0.164 25.1)
-
Step 600
600 (this color)
#BF3133
oklch(53.5% 0.179 25)
-
Step 700
700
#AB292C
oklch(49.1% 0.166 24.8)
-
Step 800
800
#8B2525
oklch(42.8% 0.137 25.1)
-
Step 900
900
#702423
oklch(37.7% 0.108 24.6)
-
Step 950
950
#421615
oklch(27% 0.069 24.1)
#BF3133 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) | #5B5332 | 0.193 |
| Deuteranopia (no green cones) | #7E722E | 0.178 |
| Tritanopia (no blue cones) | #D20034 | 0.045 |
| Achromatopsia (no color) | #676767 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3133
#BF3133
oklch(53.5% 0.179 25)
- #007C86
#007C86
oklch(53.5% 0.091 204.7)
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 #BF3133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.021
- Lipstick Red #C0022F ΔE 0.038
- Firebrick #B22222 ΔE 0.038
- Scarlet #BE0119 ΔE 0.040
- Dusty Red #B9484E ΔE 0.041
- Cherry #CF0234 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.045
Use #BF3133 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.