#BB3777
Closest named color: Dark Pink (#CB416B). oklch(55% 0.177 354.9), rgb(187, 55, 119).
Aa
White text reads best on this color (5.34:1).
About this color
#BB3777 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.177 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.047 away. White text reads best on it, at 5.34:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #BB3777 |
| RGB | rgb(187, 55, 119) |
| HSL | hsl(331, 55%, 47%) |
| OKLCH | oklch(55% 0.177 354.9) |
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 #BB3777 | 5.34:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #BB3777 | 3.92:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #BB3777 text on white | 5.34:1 | AA | Lc 75.6 | Fine for body text |
| #BB3777 text on black | 3.92:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CEDB
oklch(88.6% 0.044 354.3)
-
Step 300
300
#EBACC3
oklch(81% 0.079 355.3)
-
Step 400
400
#DE7DA5
oklch(70.7% 0.128 354.7)
-
Step 500
500
#D2588F
oklch(63.1% 0.164 354.7)
-
Step 600
600 (this color)
#BB3777
oklch(55% 0.177 354.9)
-
Step 700
700
#A32A66
oklch(49.2% 0.165 354.8)
-
Step 800
800
#842553
oklch(42.7% 0.136 354.8)
-
Step 900
900
#6A2444
oklch(37.6% 0.106 355.1)
-
Step 950
950
#3F1628
oklch(27% 0.068 355.2)
#BB3777 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) | #4F5B79 | 0.198 |
| Deuteranopia (no green cones) | #747474 | 0.178 |
| Tritanopia (no blue cones) | #CA2B52 | 0.060 |
| Achromatopsia (no color) | #6B6B6B | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB3777
#BB3777
oklch(55% 0.177 354.9)
- #00856E
#00856E
oklch(55.1% 0.104 174.8)
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 #BB3777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.047
- Medium Violet Red #C71585 ΔE 0.048
- Deep Rose #C74767 ΔE 0.053
- Dark Rose #B5485D ΔE 0.057
- Light Burgundy #A8415B ΔE 0.060
- Dark Hot Pink #D90166 ΔE 0.065
- Cerise #DE0C62 ΔE 0.074
- Ruby #CA0147 ΔE 0.074
Use #BB3777 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.