#BBD9FB
Closest named color: Light Blue (#ADD8E6). oklch(87.5% 0.057 251.7), rgb(187, 217, 251).
Aa
Black text reads best on this color (14.43:1).
About this color
#BBD9FB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.057 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.035 away. Black text reads best on it, at 14.43:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.43:1 |
| White text | 1.45:1 |
Values
| HEX | #BBD9FB |
| RGB | rgb(187, 217, 251) |
| HSL | hsl(212, 89%, 86%) |
| OKLCH | oklch(87.5% 0.057 251.7) |
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 #BBD9FB | 1.45:1 | Fails | Lc -24.6 | Dividers and decoration only |
| Black text on #BBD9FB | 14.43:1 | AAA | Lc 82.1 | Fine for body text |
| #BBD9FB text on white | 1.45:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #BBD9FB text on black | 14.43:1 | AAA | Lc -81.7 | Fine for body text |
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 200.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200 (this color)
#BBD9FB
oklch(87.5% 0.057 251.7)
-
Step 300
300
#9EC4EF
oklch(80.8% 0.074 251.8)
-
Step 400
400
#67A5E8
oklch(70.8% 0.118 251.5)
-
Step 500
500
#398CE1
oklch(63.1% 0.151 251.9)
-
Step 600
600
#0574CE
oklch(55.5% 0.163 251.8)
-
Step 700
700
#0061AF
oklch(49% 0.146 251.8)
-
Step 800
800
#025091
oklch(42.8% 0.126 251.7)
-
Step 900
900
#104373
oklch(37.7% 0.097 251.2)
-
Step 950
950
#0C2744
oklch(26.9% 0.063 252.6)
#BBD9FB 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) | #CDDAFD | 0.023 |
| Deuteranopia (no green cones) | #C5D3FA | 0.019 |
| Tritanopia (no blue cones) | #A9E1E4 | 0.050 |
| Achromatopsia (no color) | #D6D6D6 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBD9FB
#BBD9FB
oklch(87.5% 0.057 251.7)
- #EED0AD
#EED0AD
oklch(87.4% 0.057 71.3)
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 #BBD9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.050
- Celeste #A8DADC ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.058
Use #BBD9FB 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.