#BB4B11
Closest named color: Brick Orange (#C14A09). oklch(55.5% 0.158 42.6), rgb(187, 75, 17).
Aa
White text reads best on this color (5.08:1).
About this color
#BB4B11 is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.158 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.011 away. White text reads best on it, at 5.08:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #BB4B11 |
| RGB | rgb(187, 75, 17) |
| HSL | hsl(20, 83%, 40%) |
| OKLCH | oklch(55.5% 0.158 42.6) |
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 #BB4B11 | 5.08:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #BB4B11 | 4.12:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #BB4B11 text on white | 5.08:1 | AA | Lc 74.3 | Content text, not long reading |
| #BB4B11 text on black | 4.12:1 | AA large text | Lc -27.4 | Dividers and decoration only |
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
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29D
oklch(80.9% 0.071 41.9)
-
Step 400
400
#DC8866
oklch(70.7% 0.114 42.6)
-
Step 500
500
#D0673A
oklch(63.1% 0.146 42.6)
-
Step 600
600 (this color)
#BB4B11
oklch(55.5% 0.158 42.6)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800
#833208
oklch(42.7% 0.122 42.6)
-
Step 900
900
#692D12
oklch(37.6% 0.094 42.7)
-
Step 950
950
#3E1B0C
oklch(27% 0.06 42.8)
#BB4B11 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) | #6C5E02 | 0.151 |
| Deuteranopia (no green cones) | #877808 | 0.138 |
| Tritanopia (no blue cones) | #CE2E41 | 0.077 |
| Achromatopsia (no color) | #6E6E6E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4B11
#BB4B11
oklch(55.5% 0.158 42.6)
- #007F9E
#007F9E
oklch(55.3% 0.103 222.8)
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 #BB4B11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.011
- Burnt Orange #C04E01 ΔE 0.014
- Burnt Siena #B75203 ΔE 0.018
- Sinopia #BB3E03 ΔE 0.023
- Rust Orange #C45508 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.030
- Rusty Orange #CD5909 ΔE 0.049
- Orangey Brown #B16002 ΔE 0.049
Use #BB4B11 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.