#BF5700
Closest named color: Rust Orange (#C45508). oklch(57.8% 0.155 49.2), rgb(191, 87, 0).
Aa
White text reads best on this color (4.58:1).
About this color
#BF5700 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.155 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.011 away. White text reads best on it, at 4.58:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #BF5700 |
| RGB | rgb(191, 87, 0) |
| HSL | hsl(27, 100%, 37%) |
| OKLCH | oklch(57.8% 0.155 49.2) |
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 #BF5700 | 4.58:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #BF5700 | 4.57:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #BF5700 text on white | 4.58:1 | AA | Lc 71.1 | Content text, not long reading |
| #BF5700 text on black | 4.57:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#EFD2C3
oklch(88.4% 0.038 49.1)
-
Step 300
300
#E7B499
oklch(80.9% 0.07 49.2)
-
Step 400
400
#D88B60
oklch(70.7% 0.111 49.4)
-
Step 500
500
#CC6B2F
oklch(63% 0.142 49.2)
-
Step 600
600 (this color)
#BF5700
oklch(57.8% 0.155 49.2)
-
Step 700
700
#994400
oklch(49% 0.131 49)
-
Step 800
800
#7E3700
oklch(42.6% 0.114 49.2)
-
Step 900
900
#67300A
oklch(37.7% 0.092 49.8)
-
Step 950
950
#3D1C09
oklch(26.9% 0.059 48.1)
#BF5700 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) | #766700 | 0.135 |
| Deuteranopia (no green cones) | #8F7E00 | 0.123 |
| Tritanopia (no blue cones) | #D23E4A | 0.088 |
| Achromatopsia (no color) | #757575 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF5700
#BF5700
oklch(57.8% 0.155 49.2)
- #0085AF
#0085AF
oklch(57.7% 0.114 229.3)
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 #BF5700, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.011
- Burnt Orange #C04E01 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.020
- Brick Orange #C14A09 ΔE 0.027
- Copper #B66325 ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.029
- Orangey Brown #B16002 ΔE 0.031
Use #BF5700 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.