#BBC3EC
Closest named color: Light Periwinkle (#C1C6FC). oklch(82.5% 0.058 276.4), rgb(187, 195, 236).
Aa
Black text reads best on this color (12.13:1).
About this color
#BBC3EC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.058 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.024 away. Black text reads best on it, at 12.13:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.13:1 |
| White text | 1.73:1 |
Values
| HEX | #BBC3EC |
| RGB | rgb(187, 195, 236) |
| HSL | hsl(230, 56%, 83%) |
| OKLCH | oklch(82.5% 0.058 276.4) |
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 #BBC3EC | 1.73:1 | Fails | Lc -35.2 | Non-text elements, placeholder text |
| Black text on #BBC3EC | 12.13:1 | AAA | Lc 72.5 | Content text, not long reading |
| #BBC3EC text on white | 1.73:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #BBC3EC text on black | 12.13:1 | AAA | Lc -71.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300 (this color)
#BBC3EC
oklch(82.5% 0.058 276.4)
-
Step 400
400
#919CDB
oklch(70.8% 0.093 276.1)
-
Step 500
500
#7782D1
oklch(63.2% 0.119 276.4)
-
Step 600
600
#606ABE
oklch(55.6% 0.13 276.2)
-
Step 700
700
#5058A4
oklch(49.2% 0.121 276.5)
-
Step 800
800
#414885
oklch(42.7% 0.101 276.3)
-
Step 900
900
#373D6A
oklch(37.7% 0.077 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#BBC3EC 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) | #B8C7EE | 0.010 |
| Deuteranopia (no green cones) | #B5C3EB | 0.008 |
| Tritanopia (no blue cones) | #B0CAD1 | 0.051 |
| Achromatopsia (no color) | #C5C5C5 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC3EC
#BBC3EC
oklch(82.5% 0.058 276.4)
- #D0C69B
#D0C69B
oklch(82.4% 0.058 96.5)
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 #BBC3EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.026
- Cloudy Blue #ACC2D9 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.044
- Thistle #D8BFD8 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.054
Use #BBC3EC 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.