#BB4821
Closest named color: Brick Orange (#C14A09). oklch(55.2% 0.157 38.1), rgb(187, 72, 33).
Aa
White text reads best on this color (5.17:1).
About this color
#BB4821 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.157 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.018 away. White text reads best on it, at 5.17:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.06:1 |
| White text | 5.17:1 |
Values
| HEX | #BB4821 |
| RGB | rgb(187, 72, 33) |
| HSL | hsl(15, 70%, 43%) |
| OKLCH | oklch(55.2% 0.157 38.1) |
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 #BB4821 | 5.17:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #BB4821 | 4.06:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #BB4821 text on white | 5.17:1 | AA | Lc 74.7 | Content text, not long reading |
| #BB4821 text on black | 4.06:1 | AA large text | Lc -27.0 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#EAB1A0
oklch(80.8% 0.071 37.3)
-
Step 400
400
#DD876C
oklch(70.8% 0.113 38.2)
-
Step 500
500
#D16544
oklch(63% 0.145 37.7)
-
Step 600
600 (this color)
#BB4821
oklch(55.2% 0.157 38.1)
-
Step 700
700
#A23A15
oklch(49.1% 0.146 38.2)
-
Step 800
800
#843115
oklch(42.8% 0.121 38.1)
-
Step 900
900
#6A2C18
oklch(37.7% 0.094 38.2)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#BB4821 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) | #695D1B | 0.156 |
| Deuteranopia (no green cones) | #85771C | 0.143 |
| Tritanopia (no blue cones) | #CE2A40 | 0.069 |
| Achromatopsia (no color) | #6D6D6D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4821
#BB4821
oklch(55.2% 0.157 38.1)
- #007F99
#007F99
oklch(55.1% 0.1 218.8)
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 #BB4821, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.018
- Sinopia #BB3E03 ΔE 0.019
- Burnt Orange #C04E01 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.036
- Rust Orange #C45508 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.039
- Dusty Red #B9484E ΔE 0.049
Use #BB4821 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.