#BBC9FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.4% 0.077 273.3), rgb(187, 201, 255).
Aa
Black text reads best on this color (12.91:1).
About this color
#BBC9FF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.077 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.010 away. Black text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #BBC9FF |
| RGB | rgb(187, 201, 255) |
| HSL | hsl(228, 100%, 87%) |
| OKLCH | oklch(84.4% 0.077 273.3) |
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 #BBC9FF | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #BBC9FF | 12.91:1 | AAA | Lc 75.8 | Fine for body text |
| #BBC9FF text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #BBC9FF text on black | 12.91:1 | AAA | Lc -75.0 | Content text, not long reading |
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 300.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F6
oklch(88.6% 0.042 273.7)
-
Step 300
300 (this color)
#BBC9FF
oklch(84.4% 0.077 273.3)
-
Step 400
400
#889AED
oklch(70.6% 0.123 273.6)
-
Step 500
500
#6C7FE8
oklch(63.2% 0.158 273.3)
-
Step 600
600
#5566D6
oklch(55.7% 0.171 273)
-
Step 700
700
#4654B9
oklch(49.1% 0.159 273.2)
-
Step 800
800
#394596
oklch(42.7% 0.132 273.1)
-
Step 900
900
#313B77
oklch(37.7% 0.102 273.4)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#BBC9FF 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) | #B9CEFF | 0.013 |
| Deuteranopia (no green cones) | #B4C8FE | 0.010 |
| Tritanopia (no blue cones) | #AAD3DB | 0.069 |
| Achromatopsia (no color) | #CBCBCB | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC9FF
#BBC9FF
oklch(84.4% 0.077 273.3)
- #DDCB92
#DDCB92
oklch(84.4% 0.077 92.6)
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 #BBC9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.010
- Baby Blue #A2CFFE ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.043
- Light Lavender #DFC5FE ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.049
- Pale Lilac #E4CBFF ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.058
Use #BBC9FF 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.