#BF571E
Closest named color: Rust Orange (#C45508). oklch(57.9% 0.149 45.2), rgb(191, 87, 30).
Aa
Black text reads best on this color (4.59:1).
About this color
#BF571E is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.149 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.012 away. Black text reads best on it, at 4.59:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #BF571E |
| RGB | rgb(191, 87, 30) |
| HSL | hsl(21, 73%, 43%) |
| OKLCH | oklch(57.9% 0.149 45.2) |
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 #BF571E | 4.56:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #BF571E | 4.59:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #BF571E text on white | 4.56:1 | AA | Lc 71.1 | Content text, not long reading |
| #BF571E text on black | 4.59:1 | AA | Lc -30.6 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E6B49D
oklch(80.9% 0.067 45.9)
-
Step 400
400
#D88A67
oklch(70.6% 0.107 44.7)
-
Step 500
500
#CC6B3B
oklch(63.2% 0.138 45.4)
-
Step 600
600 (this color)
#BF571E
oklch(57.9% 0.149 45.2)
-
Step 700
700
#9D4002
oklch(49% 0.138 45.4)
-
Step 800
800
#80350A
oklch(42.7% 0.115 44.8)
-
Step 900
900
#672F13
oklch(37.6% 0.09 44.8)
-
Step 950
950
#3D1C0D
oklch(27% 0.057 44)
#BF571E 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) | #756714 | 0.138 |
| Deuteranopia (no green cones) | #8E7F1A | 0.127 |
| Tritanopia (no blue cones) | #D23F4C | 0.080 |
| Achromatopsia (no color) | #767676 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF571E
#BF571E
oklch(57.9% 0.149 45.2)
- #0087AB
#0087AB
oklch(58% 0.11 225.1)
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 #BF571E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.012
- Burnt Orange #C04E01 ΔE 0.018
- Burnt Siena #B75203 ΔE 0.022
- Brick Orange #C14A09 ΔE 0.024
- Copper #B66325 ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.035
- Orangey Brown #B16002 ΔE 0.036
Use #BF571E 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.