#BB4C3B
Closest named color: Dull Red (#BB3F3F). oklch(56% 0.147 31), rgb(187, 76, 59).
Aa
White text reads best on this color (4.98:1).
About this color
#BB4C3B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.147 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 4.98:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.20:1 |
| White text | 4.98:1 |
Values
| HEX | #BB4C3B |
| RGB | rgb(187, 76, 59) |
| HSL | hsl(8, 52%, 48%) |
| OKLCH | oklch(56% 0.147 31) |
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 #BB4C3B | 4.98:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #BB4C3B | 4.20:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #BB4C3B text on white | 4.98:1 | AA | Lc 73.8 | Content text, not long reading |
| #BB4C3B text on black | 4.20:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E2
oklch(93.5% 0.019 29.5)
-
Step 200
200
#F1D1CB
oklch(88.6% 0.037 30.4)
-
Step 300
300
#E8B1A7
oklch(80.8% 0.066 30.3)
-
Step 400
400
#DB8778
oklch(70.8% 0.106 30.8)
-
Step 500
500
#CE6655
oklch(63% 0.135 30.8)
-
Step 600
600 (this color)
#BB4C3B
oklch(56% 0.147 31)
-
Step 700
700
#A03B2C
oklch(49.2% 0.137 31)
-
Step 800
800
#823225
oklch(42.8% 0.114 31.4)
-
Step 900
900
#692D23
oklch(37.8% 0.089 31.2)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#BB4C3B 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) | #6A6039 | 0.151 |
| Deuteranopia (no green cones) | #857938 | 0.141 |
| Tritanopia (no blue cones) | #CD3448 | 0.055 |
| Achromatopsia (no color) | #707070 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4C3B
#BB4C3B
oklch(56% 0.147 31)
- #008395
#008395
oklch(56% 0.097 211.5)
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 #BB4C3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Dusty Red #B9484E ΔE 0.028
- Brick Orange #C14A09 ΔE 0.036
- Sinopia #BB3E03 ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.045
- Dark Coral #CF524E ΔE 0.047
- Rust Orange #C45508 ΔE 0.049
Use #BB4C3B 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.