#BB5A27
Closest named color: Rust Orange (#C45508). oklch(57.8% 0.14 45.5), rgb(187, 90, 39).
Aa
Black text reads best on this color (4.60:1).
About this color
#BB5A27 is a medium-dark, vivid orange. In OKLCH its lightness is 58%, its chroma 0.140 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.020 away. Black text reads best on it, at 4.60:1.
| Hue family | Oranges |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #BB5A27 |
| RGB | rgb(187, 90, 39) |
| HSL | hsl(21, 65%, 44%) |
| OKLCH | oklch(57.8% 0.14 45.5) |
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 #BB5A27 | 4.56:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #BB5A27 | 4.60:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #BB5A27 text on white | 4.56:1 | AA | Lc 71.1 | Content text, not long reading |
| #BB5A27 text on black | 4.60:1 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C6
oklch(88.6% 0.035 47.4)
-
Step 300
300
#E4B59F
oklch(81% 0.063 46.4)
-
Step 400
400
#D58C6A
oklch(70.7% 0.101 45.6)
-
Step 500
500
#C86D41
oklch(63% 0.129 45.3)
-
Step 600
600 (this color)
#BB5A27
oklch(57.8% 0.14 45.5)
-
Step 700
700
#9A4310
oklch(49.1% 0.13 45.5)
-
Step 800
800
#7D3812
oklch(42.7% 0.108 45.7)
-
Step 900
900
#653117
oklch(37.7% 0.084 45.4)
-
Step 950
950
#3B1D0F
oklch(26.9% 0.053 44.9)
#BB5A27 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) | #756820 | 0.129 |
| Deuteranopia (no green cones) | #8D7E25 | 0.117 |
| Tritanopia (no blue cones) | #CD4550 | 0.076 |
| Achromatopsia (no color) | #767676 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5A27
#BB5A27
oklch(57.8% 0.14 45.5)
- #0086AB
#0086AB
oklch(57.7% 0.11 225.9)
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 #BB5A27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.020
- Copper #B66325 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.025
- Brick Orange #C14A09 ΔE 0.031
- Orangey Brown #B16002 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.034
- Rusty Orange #CD5909 ΔE 0.035
Use #BB5A27 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.