#BB5A2A
Closest named color: Rust Orange (#C45508). oklch(57.9% 0.139 44.6), rgb(187, 90, 42).
Aa
Black text reads best on this color (4.60:1).
About this color
#BB5A2A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.139 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.022 away. Black text reads best on it, at 4.60:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #BB5A2A |
| RGB | rgb(187, 90, 42) |
| HSL | hsl(20, 63%, 45%) |
| OKLCH | oklch(57.9% 0.139 44.6) |
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 #BB5A2A | 4.55:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #BB5A2A | 4.60:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #BB5A2A text on white | 4.55:1 | AA | Lc 71.1 | Content text, not long reading |
| #BB5A2A 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
#EED3C7
oklch(88.6% 0.034 45.5)
-
Step 300
300
#E4B4A0
oklch(80.8% 0.063 43.7)
-
Step 400
400
#D58C6C
oklch(70.7% 0.1 44.4)
-
Step 500
500
#C86D43
oklch(63% 0.129 44.5)
-
Step 600
600 (this color)
#BB5A2A
oklch(57.9% 0.139 44.6)
-
Step 700
700
#9A4314
oklch(49.1% 0.129 44.6)
-
Step 800
800
#7D3814
oklch(42.7% 0.107 44.9)
-
Step 900
900
#653118
oklch(37.7% 0.083 44.8)
-
Step 950
950
#3B1D0F
oklch(26.9% 0.053 44.9)
#BB5A2A 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) | #756824 | 0.129 |
| Deuteranopia (no green cones) | #8D7E28 | 0.117 |
| Tritanopia (no blue cones) | #CD4550 | 0.074 |
| Achromatopsia (no color) | #767676 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5A2A
#BB5A2A
oklch(57.9% 0.139 44.6)
- #0087AA
#0087AA
oklch(57.9% 0.109 224.4)
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 #BB5A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.022
- Copper #B66325 ΔE 0.023
- Burnt Siena #B75203 ΔE 0.025
- Burnt Orange #C04E01 ΔE 0.026
- Brick Orange #C14A09 ΔE 0.031
- Orangey Brown #B16002 ΔE 0.034
- Orange Brown #BE6400 ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.036
Use #BB5A2A 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.