#BF3913
Closest named color: Sinopia (#BB3E03). oklch(54% 0.177 35.3), rgb(191, 57, 19).
Aa
White text reads best on this color (5.51:1).
About this color
#BF3913 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.177 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.014 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #BF3913 |
| RGB | rgb(191, 57, 19) |
| HSL | hsl(13, 82%, 41%) |
| OKLCH | oklch(54% 0.177 35.3) |
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 #BF3913 | 5.51:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #BF3913 | 3.80:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #BF3913 text on white | 5.51:1 | AA | Lc 76.3 | Fine for body text |
| #BF3913 text on black | 3.80:1 | AA large text | Lc -25.5 | 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
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F5D0C6
oklch(88.6% 0.044 35.6)
-
Step 300
300
#EFAF9E
oklch(80.9% 0.079 35.4)
-
Step 400
400
#E48268
oklch(70.8% 0.127 35.8)
-
Step 500
500
#D95E3E
oklch(63.1% 0.162 35.6)
-
Step 600
600 (this color)
#BF3913
oklch(54% 0.177 35.3)
-
Step 700
700
#A92F0A
oklch(49% 0.164 35.4)
-
Step 800
800
#8A290F
oklch(42.8% 0.136 35.2)
-
Step 900
900
#6F2715
oklch(37.7% 0.107 35.1)
-
Step 950
950
#41180E
oklch(27% 0.067 34.9)
#BF3913 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) | #625609 | 0.182 |
| Deuteranopia (no green cones) | #837406 | 0.165 |
| Tritanopia (no blue cones) | #D30033 | 0.066 |
| Achromatopsia (no color) | #696969 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3913
#BF3913
oklch(54% 0.177 35.3)
- #007C91
#007C91
oklch(54% 0.095 215)
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 #BF3913, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.014
- Brick Orange #C14A09 ΔE 0.033
- Dull Red #BB3F3F ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.049
- Firebrick #B22222 ΔE 0.050
- Cinnamon #AC4F06 ΔE 0.053
Use #BF3913 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.