#BF4010
Closest named color: Sinopia (#BB3E03). oklch(54.7% 0.171 37.9), rgb(191, 64, 16).
Aa
White text reads best on this color (5.30:1).
About this color
#BF4010 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.171 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.010 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #BF4010 |
| RGB | rgb(191, 64, 16) |
| HSL | hsl(16, 85%, 41%) |
| OKLCH | oklch(54.7% 0.171 37.9) |
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 #BF4010 | 5.30:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #BF4010 | 3.95:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #BF4010 text on white | 5.30:1 | AA | Lc 75.3 | Fine for body text |
| #BF4010 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C5
oklch(88.5% 0.043 37.7)
-
Step 300
300
#EDB09D
oklch(80.9% 0.077 38)
-
Step 400
400
#E28467
oklch(70.8% 0.123 37.9)
-
Step 500
500
#D7613C
oklch(63.2% 0.158 37.8)
-
Step 600
600 (this color)
#BF4010
oklch(54.7% 0.171 37.9)
-
Step 700
700
#A73303
oklch(49.1% 0.159 37.8)
-
Step 800
800
#882C0A
oklch(42.8% 0.132 37.9)
-
Step 900
900
#6D2913
oklch(37.7% 0.103 37.9)
-
Step 950
950
#40190D
oklch(27% 0.065 37.7)
#BF4010 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) | #665903 | 0.173 |
| Deuteranopia (no green cones) | #857604 | 0.157 |
| Tritanopia (no blue cones) | #D31538 | 0.072 |
| Achromatopsia (no color) | #6B6B6B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF4010
#BF4010
oklch(54.7% 0.171 37.9)
- #007E97
#007E97
oklch(54.8% 0.098 218.2)
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 #BF4010, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.010
- Brick Orange #C14A09 ΔE 0.021
- Burnt Orange #C04E01 ΔE 0.029
- Burnt Siena #B75203 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.041
- Cinnamon #AC4F06 ΔE 0.044
- Rust Orange #C45508 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.048
Use #BF4010 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.