#BF5309
Closest named color: Burnt Orange (#C04E01). oklch(57.2% 0.156 46.4), rgb(191, 83, 9).
Aa
White text reads best on this color (4.71:1).
About this color
#BF5309 is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.156 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.009 away. White text reads best on it, at 4.71:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #BF5309 |
| RGB | rgb(191, 83, 9) |
| HSL | hsl(24, 91%, 39%) |
| OKLCH | oklch(57.2% 0.156 46.4) |
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 #BF5309 | 4.71:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #BF5309 | 4.45:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #BF5309 text on white | 4.71:1 | AA | Lc 72.0 | Content text, not long reading |
| #BF5309 text on black | 4.45:1 | AA large text | Lc -29.7 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C4
oklch(88.5% 0.039 46.6)
-
Step 300
300
#E8B39A
oklch(80.9% 0.071 46.5)
-
Step 400
400
#DA8A62
oklch(70.8% 0.112 46.9)
-
Step 500
500
#CE6934
oklch(63% 0.144 46)
-
Step 600
600 (this color)
#BF5309
oklch(57.2% 0.156 46.4)
-
Step 700
700
#9C4100
oklch(49% 0.137 46.5)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#682E0D
oklch(37.6% 0.094 46.3)
-
Step 950
950
#3D1C0A
oklch(27% 0.059 47.2)
#BF5309 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) | #726400 | 0.144 |
| Deuteranopia (no green cones) | #8D7D01 | 0.131 |
| Tritanopia (no blue cones) | #D23847 | 0.084 |
| Achromatopsia (no color) | #737373 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF5309
#BF5309
oklch(57.2% 0.156 46.4)
- #0084A9
#0084A9
oklch(57.1% 0.11 226.2)
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 #BF5309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.009
- Rust Orange #C45508 ΔE 0.011
- Burnt Siena #B75203 ΔE 0.016
- Brick Orange #C14A09 ΔE 0.018
- Rusty Orange #CD5909 ΔE 0.031
- Copper #B66325 ΔE 0.034
- Orangey Brown #B16002 ΔE 0.037
- Orange Brown #BE6400 ΔE 0.038
Use #BF5309 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.