#BB4B28
Closest named color: Brick Orange (#C14A09). oklch(55.6% 0.153 37.5), rgb(187, 75, 40).
Aa
White text reads best on this color (5.06:1).
About this color
#BB4B28 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.153 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.019 away. White text reads best on it, at 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.15:1 |
| White text | 5.06:1 |
Values
| HEX | #BB4B28 |
| RGB | rgb(187, 75, 40) |
| HSL | hsl(14, 65%, 45%) |
| OKLCH | oklch(55.6% 0.153 37.5) |
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 #BB4B28 | 5.06:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #BB4B28 | 4.15:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #BB4B28 text on white | 5.06:1 | AA | Lc 74.2 | Content text, not long reading |
| #BB4B28 text on black | 4.15:1 | AA large text | Lc -27.5 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E9B2A1
oklch(80.9% 0.069 37.9)
-
Step 400
400
#DB876E
oklch(70.6% 0.11 37.4)
-
Step 500
500
#CF6747
oklch(63.1% 0.14 37.8)
-
Step 600
600 (this color)
#BB4B28
oklch(55.6% 0.153 37.5)
-
Step 700
700
#A13B1A
oklch(49.1% 0.143 37.5)
-
Step 800
800
#833218
oklch(42.8% 0.118 37.7)
-
Step 900
900
#692D1B
oklch(37.7% 0.091 37.4)
-
Step 950
950
#3E1B10
oklch(27% 0.058 38.1)
#BB4B28 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) | #6A5F23 | 0.153 |
| Deuteranopia (no green cones) | #867824 | 0.139 |
| Tritanopia (no blue cones) | #CE3044 | 0.067 |
| Achromatopsia (no color) | #6F6F6F | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4B28
#BB4B28
oklch(55.6% 0.153 37.5)
- #00819A
#00819A
oklch(55.7% 0.1 217.7)
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 #BB4B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.019
- Burnt Orange #C04E01 ΔE 0.024
- Sinopia #BB3E03 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.029
- Rust Orange #C45508 ΔE 0.036
- Cinnamon #AC4F06 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.039
- Dusty Red #B9484E ΔE 0.046
Use #BB4B28 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.