#BB4D21
Closest named color: Brick Orange (#C14A09). oklch(55.9% 0.153 40.3), rgb(187, 77, 33).
Aa
White text reads best on this color (5.00:1).
About this color
#BB4D21 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.153 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.014 away. White text reads best on it, at 5.00:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #BB4D21 |
| RGB | rgb(187, 77, 33) |
| HSL | hsl(17, 70%, 43%) |
| OKLCH | oklch(55.9% 0.153 40.3) |
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 #BB4D21 | 5.00:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #BB4D21 | 4.19:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #BB4D21 text on white | 5.00:1 | AA | Lc 73.8 | Content text, not long reading |
| #BB4D21 text on black | 4.19:1 | AA large text | Lc -27.9 | 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
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E8B29F
oklch(80.8% 0.069 40.2)
-
Step 400
400
#DB886B
oklch(70.7% 0.11 40)
-
Step 500
500
#CF6842
oklch(63.2% 0.141 40.4)
-
Step 600
600 (this color)
#BB4D21
oklch(55.9% 0.153 40.3)
-
Step 700
700
#A03C12
oklch(49% 0.142 40.1)
-
Step 800
800
#823313
oklch(42.7% 0.117 40.4)
-
Step 900
900
#692E17
oklch(37.8% 0.092 40.9)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#BB4D21 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) | #6C601A | 0.150 |
| Deuteranopia (no green cones) | #87791D | 0.137 |
| Tritanopia (no blue cones) | #CE3244 | 0.072 |
| Achromatopsia (no color) | #6F6F6F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4D21
#BB4D21
oklch(55.9% 0.153 40.3)
- #00819D
#00819D
oklch(55.8% 0.102 220.1)
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 #BB4D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.014
- Burnt Orange #C04E01 ΔE 0.017
- Burnt Siena #B75203 ΔE 0.021
- Sinopia #BB3E03 ΔE 0.027
- Rust Orange #C45508 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.047
- Copper #B66325 ΔE 0.048
Use #BB4D21 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.