#BBC5FB
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.4% 0.077 276.4), rgb(187, 197, 251).
Aa
Black text reads best on this color (12.49:1).
About this color
#BBC5FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.077 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.009 away. Black text reads best on it, at 12.49:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.49:1 |
| White text | 1.68:1 |
Values
| HEX | #BBC5FB |
| RGB | rgb(187, 197, 251) |
| HSL | hsl(231, 89%, 86%) |
| OKLCH | oklch(83.4% 0.077 276.4) |
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 #BBC5FB | 1.68:1 | Fails | Lc -33.5 | Non-text elements, placeholder text |
| Black text on #BBC5FB | 12.49:1 | AAA | Lc 74.1 | Content text, not long reading |
| #BBC5FB text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #BBC5FB text on black | 12.49:1 | AAA | Lc -73.1 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300 (this color)
#BBC5FB
oklch(83.4% 0.077 276.4)
-
Step 400
400
#8D99EC
oklch(70.7% 0.122 276.5)
-
Step 500
500
#727DE6
oklch(63% 0.157 276.4)
-
Step 600
600
#5C64D4
oklch(55.6% 0.17 276.3)
-
Step 700
700
#4C52B8
oklch(49.1% 0.158 276.3)
-
Step 800
800
#3E4495
oklch(42.7% 0.131 276.2)
-
Step 900
900
#353A77
oklch(37.8% 0.103 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#BBC5FB 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) | #B6CAFD | 0.013 |
| Deuteranopia (no green cones) | #B2C5FA | 0.012 |
| Tritanopia (no blue cones) | #ABCFD7 | 0.069 |
| Achromatopsia (no color) | #C8C8C8 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC5FB
#BBC5FB
oklch(83.4% 0.077 276.4)
- #D7C990
#D7C990
oklch(83.4% 0.076 96)
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 #BBC5FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.009
- Baby Blue #A2CFFE ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Lavender #DFC5FE ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.053
- Light Violet #D6B4FC ΔE 0.055
Use #BBC5FB 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.