#BB4E21
Closest named color: Brick Orange (#C14A09). oklch(56% 0.152 40.8), rgb(187, 78, 33).
Aa
White text reads best on this color (4.97:1).
About this color
#BB4E21 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.152 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.015 away. White text reads best on it, at 4.97:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #BB4E21 |
| RGB | rgb(187, 78, 33) |
| HSL | hsl(18, 70%, 43%) |
| OKLCH | oklch(56% 0.152 40.8) |
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 #BB4E21 | 4.97:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #BB4E21 | 4.22:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #BB4E21 text on white | 4.97:1 | AA | Lc 73.6 | Content text, not long reading |
| #BB4E21 text on black | 4.22:1 | AA large text | Lc -28.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C6
oklch(88.4% 0.038 40.5)
-
Step 300
300
#E8B39F
oklch(81% 0.068 41.6)
-
Step 400
400
#DA896B
oklch(70.7% 0.108 41)
-
Step 500
500
#CE6842
oklch(63% 0.14 40.6)
-
Step 600
600 (this color)
#BB4E21
oklch(56% 0.152 40.8)
-
Step 700
700
#A03D11
oklch(49.2% 0.142 40.8)
-
Step 800
800
#823312
oklch(42.7% 0.118 40.8)
-
Step 900
900
#692E17
oklch(37.8% 0.092 40.9)
-
Step 950
950
#3D1B0F
oklch(26.8% 0.057 39.8)
#BB4E21 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) | #6D611A | 0.148 |
| Deuteranopia (no green cones) | #88791D | 0.134 |
| Tritanopia (no blue cones) | #CE3445 | 0.072 |
| Achromatopsia (no color) | #707070 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4E21
#BB4E21
oklch(56% 0.152 40.8)
- #00819E
#00819E
oklch(55.9% 0.102 220.9)
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 #BB4E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.015
- Burnt Orange #C04E01 ΔE 0.016
- Burnt Siena #B75203 ΔE 0.020
- Rust Orange #C45508 ΔE 0.028
- Sinopia #BB3E03 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.034
- Copper #B66325 ΔE 0.046
- Rusty Orange #CD5909 ΔE 0.047
Use #BB4E21 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.