#BB4643
Closest named color: Dull Red (#BB3F3F). oklch(55.4% 0.152 24.9), rgb(187, 70, 67).
Aa
White text reads best on this color (5.15:1).
About this color
#BB4643 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.152 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.012 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #BB4643 |
| RGB | rgb(187, 70, 67) |
| HSL | hsl(2, 47%, 50%) |
| OKLCH | oklch(55.4% 0.152 24.9) |
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 #BB4643 | 5.15:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #BB4643 | 4.07:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #BB4643 text on white | 5.15:1 | AA | Lc 74.7 | Content text, not long reading |
| #BB4643 text on black | 4.07:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CD
oklch(88.5% 0.037 24)
-
Step 300
300
#EAB0AB
oklch(80.9% 0.069 24.3)
-
Step 400
400
#DD857E
oklch(70.8% 0.109 25.1)
-
Step 500
500
#D1635D
oklch(63.2% 0.14 25)
-
Step 600
600 (this color)
#BB4643
oklch(55.4% 0.152 24.9)
-
Step 700
700
#A23735
oklch(49.1% 0.142 25)
-
Step 800
800
#832F2D
oklch(42.7% 0.116 24.7)
-
Step 900
900
#6A2B28
oklch(37.8% 0.091 25.1)
-
Step 950
950
#3E1A18
oklch(27% 0.057 24.8)
#BB4643 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) | #645D42 | 0.162 |
| Deuteranopia (no green cones) | #827740 | 0.150 |
| Tritanopia (no blue cones) | #CD2D46 | 0.047 |
| Achromatopsia (no color) | #6D6D6D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4643
#BB4643
oklch(55.4% 0.152 24.9)
- #00828D
#00828D
oklch(55.4% 0.095 205.2)
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 #BB4643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.012
- Dusty Red #B9484E ΔE 0.014
- Dark Rose #B5485D ΔE 0.036
- Sinopia #BB3E03 ΔE 0.047
- Dark Coral #CF524E ΔE 0.049
- Faded Red #D3494E ΔE 0.050
- Brick Orange #C14A09 ΔE 0.050
- Deep Rose #C74767 ΔE 0.054
Use #BB4643 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.