#BB432B
Closest named color: Sinopia (#BB3E03). oklch(54.6% 0.16 33.2), rgb(187, 67, 43).
Aa
White text reads best on this color (5.31:1).
About this color
#BB432B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.160 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.022 away. White text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #BB432B |
| RGB | rgb(187, 67, 43) |
| HSL | hsl(10, 63%, 45%) |
| OKLCH | oklch(54.6% 0.16 33.2) |
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 #BB432B | 5.31:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #BB432B | 3.95:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #BB432B text on white | 5.31:1 | AA | Lc 75.5 | Fine for body text |
| #BB432B text on black | 3.95:1 | AA large text | Lc -26.2 | 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
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C8
oklch(88.4% 0.04 33.4)
-
Step 300
300
#EBB0A3
oklch(80.8% 0.072 32.7)
-
Step 400
400
#DF8571
oklch(70.8% 0.115 33.4)
-
Step 500
500
#D3634C
oklch(63.1% 0.147 33.1)
-
Step 600
600 (this color)
#BB432B
oklch(54.6% 0.16 33.2)
-
Step 700
700
#A43721
oklch(49.2% 0.148 33.3)
-
Step 800
800
#852E1D
oklch(42.7% 0.123 33)
-
Step 900
900
#6B2B1D
oklch(37.7% 0.095 33.8)
-
Step 950
950
#3F1A12
oklch(27.1% 0.06 33.5)
#BB432B 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) | #655B28 | 0.164 |
| Deuteranopia (no green cones) | #837527 | 0.150 |
| Tritanopia (no blue cones) | #CE233E | 0.061 |
| Achromatopsia (no color) | #6B6B6B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB432B
#BB432B
oklch(54.6% 0.16 33.2)
- #007E92
#007E92
oklch(54.5% 0.096 213.9)
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 #BB432B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.022
- Dull Red #BB3F3F ΔE 0.025
- Brick Orange #C14A09 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.038
- Dusty Red #B9484E ΔE 0.038
- Burnt Siena #B75203 ΔE 0.043
- Rusty Red #AF2F0D ΔE 0.047
- Cinnamon #AC4F06 ΔE 0.047
Use #BB432B 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.