#BBC4F0
Closest named color: Light Periwinkle (#C1C6FC). oklch(82.8% 0.063 275.9), rgb(187, 196, 240).
Aa
Black text reads best on this color (12.26:1).
About this color
#BBC4F0 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.063 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.019 away. Black text reads best on it, at 12.26:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.26:1 |
| White text | 1.71:1 |
Values
| HEX | #BBC4F0 |
| RGB | rgb(187, 196, 240) |
| HSL | hsl(230, 64%, 84%) |
| OKLCH | oklch(82.8% 0.063 275.9) |
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 #BBC4F0 | 1.71:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #BBC4F0 | 12.26:1 | AAA | Lc 73.1 | Content text, not long reading |
| #BBC4F0 text on white | 1.71:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #BBC4F0 text on black | 12.26:1 | AAA | Lc -72.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F1
oklch(88.5% 0.035 274.9)
-
Step 300
300 (this color)
#BBC4F0
oklch(82.8% 0.063 275.9)
-
Step 400
400
#8F9BDF
oklch(70.6% 0.101 275.8)
-
Step 500
500
#7581D6
oklch(63.1% 0.128 276)
-
Step 600
600
#5E69C3
oklch(55.6% 0.139 275.7)
-
Step 700
700
#4E57A9
oklch(49.1% 0.13 275.8)
-
Step 800
800
#404789
oklch(42.6% 0.108 276.2)
-
Step 900
900
#363C6D
oklch(37.6% 0.084 276.3)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#BBC4F0 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) | #B8C8F2 | 0.010 |
| Deuteranopia (no green cones) | #B4C4EF | 0.009 |
| Tritanopia (no blue cones) | #AECCD3 | 0.056 |
| Achromatopsia (no color) | #C6C6C6 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC4F0
#BBC4F0
oklch(82.8% 0.063 275.9)
- #D3C799
#D3C799
oklch(82.8% 0.062 95.2)
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 #BBC4F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.039
- Pastel Blue #A2BFFE ΔE 0.042
- Thistle #D8BFD8 ΔE 0.048
- Light Lavender #DFC5FE ΔE 0.055
Use #BBC4F0 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.