#BB3551
Closest named color: Dark Rose (#B5485D). oklch(53.7% 0.17 13), rgb(187, 53, 81).
Aa
White text reads best on this color (5.61:1).
About this color
#BB3551 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.170 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.032 away. White text reads best on it, at 5.61:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #BB3551 |
| RGB | rgb(187, 53, 81) |
| HSL | hsl(347, 56%, 47%) |
| OKLCH | oklch(53.7% 0.17 13) |
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 #BB3551 | 5.61:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #BB3551 | 3.74:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #BB3551 text on white | 5.61:1 | AA | Lc 76.9 | Fine for body text |
| #BB3551 text on black | 3.74:1 | AA large text | Lc -24.8 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E6
oklch(93.5% 0.022 10.6)
-
Step 200
200
#F4CED1
oklch(88.5% 0.043 12.6)
-
Step 300
300
#EEADB2
oklch(81% 0.077 13.8)
-
Step 400
400
#E27F8B
oklch(70.8% 0.122 13)
-
Step 500
500
#D65A6E
oklch(63% 0.157 12.9)
-
Step 600
600 (this color)
#BB3551
oklch(53.7% 0.17 13)
-
Step 700
700
#A72C46
oklch(49.1% 0.159 13.2)
-
Step 800
800
#87273A
oklch(42.7% 0.13 13.1)
-
Step 900
900
#6D2532
oklch(37.6% 0.103 12.6)
-
Step 950
950
#40171D
oklch(27% 0.064 13.4)
#BB3551 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) | #575651 | 0.189 |
| Deuteranopia (no green cones) | #7A724E | 0.173 |
| Tritanopia (no blue cones) | #CC1340 | 0.042 |
| Achromatopsia (no color) | #686868 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB3551
#BB3551
oklch(53.7% 0.17 13)
- #007E7C
#007E7C
oklch(53.6% 0.092 192.8)
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 #BB3551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.032
- Dull Red #BB3F3F ΔE 0.034
- Dusty Red #B9484E ΔE 0.035
- Light Burgundy #A8415B ΔE 0.039
- Ruby #CA0147 ΔE 0.043
- Rose Red #BE013C ΔE 0.044
- Deep Rose #C74767 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.050
Use #BB3551 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.