#BB4A33
Closest named color: Dull Red (#BB3F3F). oklch(55.6% 0.151 33.3), rgb(187, 74, 51).
Aa
White text reads best on this color (5.07:1).
About this color
#BB4A33 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.151 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.029 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #BB4A33 |
| RGB | rgb(187, 74, 51) |
| HSL | hsl(10, 57%, 47%) |
| OKLCH | oklch(55.6% 0.151 33.3) |
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 #BB4A33 | 5.07:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #BB4A33 | 4.14:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #BB4A33 text on white | 5.07:1 | AA | Lc 74.2 | Content text, not long reading |
| #BB4A33 text on black | 4.14:1 | 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
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A4
oklch(80.8% 0.068 33.4)
-
Step 400
400
#DC8774
oklch(70.8% 0.109 33.4)
-
Step 500
500
#D0664F
oklch(63.2% 0.139 33.6)
-
Step 600
600 (this color)
#BB4A33
oklch(55.6% 0.151 33.3)
-
Step 700
700
#A13A25
oklch(49.1% 0.141 33.3)
-
Step 800
800
#833120
oklch(42.8% 0.117 33.4)
-
Step 900
900
#692C20
oklch(37.6% 0.091 32.8)
-
Step 950
950
#3E1B13
oklch(27.1% 0.057 34.1)
#BB4A33 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) | #695F30 | 0.154 |
| Deuteranopia (no green cones) | #857830 | 0.142 |
| Tritanopia (no blue cones) | #CD3045 | 0.059 |
| Achromatopsia (no color) | #6E6E6E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4A33
#BB4A33
oklch(55.6% 0.151 33.3)
- #008296
#008296
oklch(55.7% 0.098 213.4)
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 #BB4A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.029
- Brick Orange #C14A09 ΔE 0.029
- Sinopia #BB3E03 ΔE 0.031
- Dusty Red #B9484E ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.035
- Burnt Siena #B75203 ΔE 0.040
- Rust Orange #C45508 ΔE 0.045
- Cinnamon #AC4F06 ΔE 0.046
Use #BB4A33 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.