#BBC5F3
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.1% 0.066 275.3), rgb(187, 197, 243).
Aa
Black text reads best on this color (12.39:1).
About this color
#BBC5F3 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.066 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.015 away. Black text reads best on it, at 12.39:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.39:1 |
| White text | 1.69:1 |
Values
| HEX | #BBC5F3 |
| RGB | rgb(187, 197, 243) |
| HSL | hsl(229, 70%, 84%) |
| OKLCH | oklch(83.1% 0.066 275.3) |
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 #BBC5F3 | 1.69:1 | Fails | Lc -34.0 | Non-text elements, placeholder text |
| Black text on #BBC5F3 | 12.39:1 | AAA | Lc 73.6 | Content text, not long reading |
| #BBC5F3 text on white | 1.69:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #BBC5F3 text on black | 12.39:1 | AAA | Lc -72.6 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300 (this color)
#BBC5F3
oklch(83.1% 0.066 275.3)
-
Step 400
400
#8E9BE2
oklch(70.7% 0.105 275.4)
-
Step 500
500
#7381D9
oklch(63.1% 0.133 275.1)
-
Step 600
600
#5D68C7
oklch(55.6% 0.146 275.6)
-
Step 700
700
#4C56AC
oklch(49% 0.136 275.2)
-
Step 800
800
#3F478B
oklch(42.7% 0.112 275.6)
-
Step 900
900
#353C6F
oklch(37.7% 0.087 275.5)
-
Step 950
950
#1F2441
oklch(27.1% 0.054 274.8)
#BBC5F3 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) | #B8C9F5 | 0.010 |
| Deuteranopia (no green cones) | #B4C5F2 | 0.009 |
| Tritanopia (no blue cones) | #AECDD4 | 0.058 |
| Achromatopsia (no color) | #C7C7C7 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC5F3
#BBC5F3
oklch(83.1% 0.066 275.3)
- #D5C898
#D5C898
oklch(83.2% 0.065 94.7)
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 #BBC5F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.015
- Light Blue Grey #B7C9E2 ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.043
- Thistle #D8BFD8 ΔE 0.051
- Light Lavender #DFC5FE ΔE 0.053
Use #BBC5F3 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.