#BB5A19
Closest named color: Rust Orange (#C45508). oklch(57.7% 0.144 48.8), rgb(187, 90, 25).
Aa
Black text reads best on this color (4.58:1).
About this color
#BB5A19 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.144 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.018 away. Black text reads best on it, at 4.58:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #BB5A19 |
| RGB | rgb(187, 90, 25) |
| HSL | hsl(24, 76%, 42%) |
| OKLCH | oklch(57.7% 0.144 48.8) |
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 #BB5A19 | 4.57:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #BB5A19 | 4.58:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #BB5A19 text on white | 4.57:1 | AA | Lc 71.2 | Content text, not long reading |
| #BB5A19 text on black | 4.58:1 | 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
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EED3C5
oklch(88.6% 0.036 49.2)
-
Step 300
300
#E4B59C
oklch(80.9% 0.065 49.4)
-
Step 400
400
#D58D65
oklch(70.8% 0.104 49.5)
-
Step 500
500
#C86E39
oklch(63.1% 0.132 49)
-
Step 600
600 (this color)
#BB5A19
oklch(57.7% 0.144 48.8)
-
Step 700
700
#9A4400
oklch(49.2% 0.132 48.7)
-
Step 800
800
#7D3806
oklch(42.6% 0.111 48.9)
-
Step 900
900
#653111
oklch(37.6% 0.086 48.8)
-
Step 950
950
#3C1D0C
oklch(27% 0.056 47.7)
#BB5A19 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) | #76680B | 0.129 |
| Deuteranopia (no green cones) | #8D7E16 | 0.117 |
| Tritanopia (no blue cones) | #CE444E | 0.083 |
| Achromatopsia (no color) | #757575 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5A19
#BB5A19
oklch(57.7% 0.144 48.8)
- #0085AE
#0085AE
oklch(57.6% 0.113 228.7)
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 #BB5A19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.018
- Copper #B66325 ΔE 0.020
- Burnt Siena #B75203 ΔE 0.020
- Burnt Orange #C04E01 ΔE 0.024
- Orangey Brown #B16002 ΔE 0.026
- Orange Brown #BE6400 ΔE 0.028
- Umber #B26400 ΔE 0.031
- Brick Orange #C14A09 ΔE 0.031
Use #BB5A19 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.