#BF3E00
Closest named color: Sinopia (#BB3E03). oklch(54.4% 0.175 39), rgb(191, 62, 0).
Aa
White text reads best on this color (5.37:1).
About this color
#BF3E00 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.175 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.008 away. White text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #BF3E00 |
| RGB | rgb(191, 62, 0) |
| HSL | hsl(19, 100%, 37%) |
| OKLCH | oklch(54.4% 0.175 39) |
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 #BF3E00 | 5.37:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #BF3E00 | 3.90:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #BF3E00 text on white | 5.37:1 | AA | Lc 75.6 | Fine for body text |
| #BF3E00 text on black | 3.90:1 | AA large text | Lc -26.1 | 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
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09B
oklch(81% 0.079 39.5)
-
Step 400
400
#E28364
oklch(70.6% 0.125 38.8)
-
Step 500
500
#D86037
oklch(63.2% 0.161 38.8)
-
Step 600
600 (this color)
#BF3E00
oklch(54.4% 0.175 39)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#882B03
oklch(42.6% 0.134 39)
-
Step 900
900
#6E2910
oklch(37.8% 0.105 39)
-
Step 950
950
#41190B
oklch(27.1% 0.067 39.3)
#BF3E00 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) | #655800 | 0.174 |
| Deuteranopia (no green cones) | #857500 | 0.156 |
| Tritanopia (no blue cones) | #D30D35 | 0.075 |
| Achromatopsia (no color) | #6A6A6A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF3E00
#BF3E00
oklch(54.4% 0.175 39)
- #007D97
#007D97
oklch(54.5% 0.099 219.1)
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 #BF3E00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.008
- Brick Orange #C14A09 ΔE 0.022
- Burnt Orange #C04E01 ΔE 0.030
- Burnt Siena #B75203 ΔE 0.039
- Cinnamon #AC4F06 ΔE 0.044
- Dull Red #BB3F3F ΔE 0.046
- Rusty Red #AF2F0D ΔE 0.046
- Rust Orange #C45508 ΔE 0.046
Use #BF3E00 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.