#BC5B15
Closest named color: Rust Orange (#C45508). oklch(58% 0.145 49.8), rgb(188, 91, 21).
Aa
Black text reads best on this color (4.64:1).
About this color
#BC5B15 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.145 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.017 away. Black text reads best on it, at 4.64:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #BC5B15 |
| RGB | rgb(188, 91, 21) |
| HSL | hsl(25, 80%, 41%) |
| OKLCH | oklch(58% 0.145 49.8) |
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 #BC5B15 | 4.52:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #BC5B15 | 4.64:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #BC5B15 text on white | 4.52:1 | AA | Lc 70.8 | Content text, not long reading |
| #BC5B15 text on black | 4.64:1 | AA | Lc -30.9 | 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
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EED3C4
oklch(88.5% 0.037 51)
-
Step 300
300
#E4B59B
oklch(80.9% 0.065 50.4)
-
Step 400
400
#D58D64
oklch(70.7% 0.104 50.1)
-
Step 500
500
#C86E36
oklch(63% 0.133 50)
-
Step 600
600 (this color)
#BC5B15
oklch(58% 0.145 49.8)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7D3802
oklch(42.6% 0.112 49.9)
-
Step 900
900
#65310F
oklch(37.6% 0.087 49.8)
-
Step 950
950
#3C1D0B
oklch(27% 0.056 48.8)
#BC5B15 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) | #776903 | 0.129 |
| Deuteranopia (no green cones) | #8F7F11 | 0.116 |
| Tritanopia (no blue cones) | #CF454E | 0.085 |
| Achromatopsia (no color) | #767676 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BC5B15
#BC5B15
oklch(58% 0.145 49.8)
- #0086B1
#0086B1
oklch(58% 0.115 229.7)
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 #BC5B15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.017
- Copper #B66325 ΔE 0.019
- Burnt Siena #B75203 ΔE 0.023
- Orange Brown #BE6400 ΔE 0.024
- Orangey Brown #B16002 ΔE 0.025
- Burnt Orange #C04E01 ΔE 0.026
- Umber #B26400 ΔE 0.029
- Rusty Orange #CD5909 ΔE 0.031
Use #BC5B15 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.