#BBC9EF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.8% 0.055 269.3), rgb(187, 201, 239).
Aa
Black text reads best on this color (12.71:1).
About this color
#BBC9EF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.055 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.020 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #BBC9EF |
| RGB | rgb(187, 201, 239) |
| HSL | hsl(224, 62%, 84%) |
| OKLCH | oklch(83.8% 0.055 269.3) |
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 #BBC9EF | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #BBC9EF | 12.71:1 | AAA | Lc 75.0 | Content text, not long reading |
| #BBC9EF text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #BBC9EF text on black | 12.71:1 | AAA | Lc -74.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300 (this color)
#BBC9EF
oklch(83.8% 0.055 269.3)
-
Step 400
400
#8A9ED9
oklch(70.6% 0.09 269.6)
-
Step 500
500
#6E85CE
oklch(63% 0.114 269.7)
-
Step 600
600
#566EBB
oklch(55.6% 0.123 269.1)
-
Step 700
700
#475CA1
oklch(49.2% 0.113 269.2)
-
Step 800
800
#3A4B83
oklch(42.7% 0.095 269.3)
-
Step 900
900
#323F69
oklch(37.7% 0.074 269.6)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#BBC9EF 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) | #BECCF1 | 0.009 |
| Deuteranopia (no green cones) | #BAC7EE | 0.005 |
| Tritanopia (no blue cones) | #AED0D5 | 0.050 |
| Achromatopsia (no color) | #C9C9C9 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC9EF
#BBC9EF
oklch(83.8% 0.055 269.3)
- #D8C9A1
#D8C9A1
oklch(83.8% 0.056 89.9)
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 #BBC9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.020
- Light Periwinkle #C1C6FC ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.048
- Thistle #D8BFD8 ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.051
Use #BBC9EF 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.