#BF3110
Closest named color: Sinopia (#BB3E03). oklch(53.2% 0.183 33.6), rgb(191, 49, 16).
Aa
White text reads best on this color (5.73:1).
About this color
#BF3110 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.183 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.022 away. White text reads best on it, at 5.73:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #BF3110 |
| RGB | rgb(191, 49, 16) |
| HSL | hsl(11, 85%, 41%) |
| OKLCH | oklch(53.2% 0.183 33.6) |
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 #BF3110 | 5.73:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #BF3110 | 3.66:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #BF3110 text on white | 5.73:1 | AA | Lc 77.3 | Fine for body text |
| #BF3110 text on black | 3.66:1 | AA large text | Lc -24.5 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AE9E
oklch(81% 0.082 33.9)
-
Step 400
400
#E78069
oklch(70.8% 0.132 33.6)
-
Step 500
500
#DC5A3F
oklch(63% 0.169 33.4)
-
Step 600
600 (this color)
#BF3110
oklch(53.2% 0.183 33.6)
-
Step 700
700
#AC2A0C
oklch(49.1% 0.171 33.5)
-
Step 800
800
#8C260F
oklch(42.8% 0.141 33.8)
-
Step 900
900
#702515
oklch(37.6% 0.11 33.7)
-
Step 950
950
#42170E
oklch(27% 0.069 33.5)
#BF3110 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) | #5D5206 | 0.194 |
| Deuteranopia (no green cones) | #807201 | 0.175 |
| Tritanopia (no blue cones) | #D3002C | 0.055 |
| Achromatopsia (no color) | #666666 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3110
#BF3110
oklch(53.2% 0.183 33.6)
- #007A8D
#007A8D
oklch(53.3% 0.093 213.5)
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 #BF3110, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.022
- Rusty Red #AF2F0D ΔE 0.034
- Dull Red #BB3F3F ΔE 0.039
- Firebrick #B22222 ΔE 0.041
- Scarlet #BE0119 ΔE 0.043
- Brick Orange #C14A09 ΔE 0.044
- Rufous #AE2012 ΔE 0.047
- Rust Red #AA2704 ΔE 0.049
Use #BF3110 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.