#BF3F27
Closest named color: Sinopia (#BB3E03). oklch(54.8% 0.168 32.8), rgb(191, 63, 39).
Aa
White text reads best on this color (5.30:1).
About this color
#BF3F27 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.168 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.021 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #BF3F27 |
| RGB | rgb(191, 63, 39) |
| HSL | hsl(9, 66%, 45%) |
| OKLCH | oklch(54.8% 0.168 32.8) |
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 #BF3F27 | 5.30:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #BF3F27 | 3.95:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #BF3F27 text on white | 5.30:1 | AA | Lc 75.3 | Fine for body text |
| #BF3F27 text on black | 3.95:1 | AA large text | Lc -26.4 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F4D0C8
oklch(88.6% 0.042 32.6)
-
Step 300
300
#EDAFA2
oklch(80.8% 0.075 32.1)
-
Step 400
400
#E2836F
oklch(70.8% 0.121 32.8)
-
Step 500
500
#D66048
oklch(63.1% 0.154 33.1)
-
Step 600
600 (this color)
#BF3F27
oklch(54.8% 0.168 32.8)
-
Step 700
700
#A7321C
oklch(49.1% 0.157 32.8)
-
Step 800
800
#882B1A
oklch(42.8% 0.13 32.6)
-
Step 900
900
#6D281B
oklch(37.6% 0.101 32.6)
-
Step 950
950
#401911
oklch(27% 0.063 33.1)
#BF3F27 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) | #645923 | 0.175 |
| Deuteranopia (no green cones) | #847622 | 0.160 |
| Tritanopia (no blue cones) | #D2173A | 0.061 |
| Achromatopsia (no color) | #6B6B6B | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3F27
#BF3F27
oklch(54.8% 0.168 32.8)
- #007F92
#007F92
oklch(54.8% 0.096 212.8)
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 #BF3F27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.021
- Dull Red #BB3F3F ΔE 0.026
- Brick Orange #C14A09 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.040
- Dusty Red #B9484E ΔE 0.042
- Rusty Red #AF2F0D ΔE 0.047
- Burnt Siena #B75203 ΔE 0.048
- Rust Orange #C45508 ΔE 0.053
Use #BF3F27 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.