#BF5A21
Closest named color: Rust Orange (#C45508). oklch(58.4% 0.146 46.1), rgb(191, 90, 33).
Aa
Black text reads best on this color (4.69:1).
About this color
#BF5A21 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.146 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.014 away. Black text reads best on it, at 4.69:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.69:1 |
| White text | 4.46:1 |
Values
| HEX | #BF5A21 |
| RGB | rgb(191, 90, 33) |
| HSL | hsl(22, 71%, 44%) |
| OKLCH | oklch(58.4% 0.146 46.1) |
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 #BF5A21 | 4.46:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #BF5A21 | 4.69:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #BF5A21 text on white | 4.46:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #BF5A21 text on black | 4.69:1 | AA | Lc -31.3 | 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
#F5E6DF
oklch(93.5% 0.019 46.8)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E5B49D
oklch(80.8% 0.065 46.4)
-
Step 400
400
#D78B67
oklch(70.7% 0.106 45.9)
-
Step 500
500
#CA6C3C
oklch(63.1% 0.134 46.1)
-
Step 600
600 (this color)
#BF5A21
oklch(58.4% 0.146 46.1)
-
Step 700
700
#9C4104
oklch(49% 0.136 45.9)
-
Step 800
800
#7F370B
oklch(42.8% 0.112 46.3)
-
Step 900
900
#663013
oklch(37.6% 0.088 46.3)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#BF5A21 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) | #776918 | 0.133 |
| Deuteranopia (no green cones) | #8F801E | 0.122 |
| Tritanopia (no blue cones) | #D2434F | 0.080 |
| Achromatopsia (no color) | #777777 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF5A21
#BF5A21
oklch(58.4% 0.146 46.1)
- #0088AE
#0088AE
oklch(58.4% 0.112 226.2)
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 #BF5A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.014
- Copper #B66325 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.027
- Rusty Orange #CD5909 ΔE 0.027
- Orange Brown #BE6400 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.031
- Orangey Brown #B16002 ΔE 0.034
Use #BF5A21 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.