#BF581E
Closest named color: Rust Orange (#C45508). oklch(58% 0.149 45.7), rgb(191, 88, 30).
Aa
Black text reads best on this color (4.62:1).
About this color
#BF581E is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.149 and its hue 46°. 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 4.62:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #BF581E |
| RGB | rgb(191, 88, 30) |
| HSL | hsl(22, 73%, 43%) |
| OKLCH | oklch(58% 0.149 45.7) |
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 #BF581E | 4.53:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #BF581E | 4.62:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #BF581E text on white | 4.53:1 | AA | Lc 70.9 | Content text, not long reading |
| #BF581E text on black | 4.62:1 | AA | Lc -30.8 | 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
#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
#D88B67
oklch(70.8% 0.107 45.6)
-
Step 500
500
#CB6B3B
oklch(63% 0.137 45.6)
-
Step 600
600 (this color)
#BF581E
oklch(58% 0.149 45.7)
-
Step 700
700
#9D4001
oklch(49% 0.138 45.5)
-
Step 800
800
#803609
oklch(42.8% 0.115 45.8)
-
Step 900
900
#673013
oklch(37.8% 0.089 45.8)
-
Step 950
950
#3C1C0D
oklch(26.8% 0.056 44.7)
#BF581E 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) | #756814 | 0.138 |
| Deuteranopia (no green cones) | #8E7F1A | 0.125 |
| Tritanopia (no blue cones) | #D2404D | 0.081 |
| Achromatopsia (no color) | #767676 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF581E
#BF581E
oklch(58% 0.149 45.7)
- #0087AC
#0087AC
oklch(58% 0.111 225.7)
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 #BF581E, 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 0.020
- Burnt Siena #B75203 ΔE 0.023
- Brick Orange #C14A09 ΔE 0.027
- Copper #B66325 ΔE 0.027
- Rusty Orange #CD5909 ΔE 0.028
- Orange Brown #BE6400 ΔE 0.033
- Orangey Brown #B16002 ΔE 0.035
Use #BF581E 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.