#B2D9FF
Closest named color: Baby Blue (#A2CFFE). oklch(87% 0.067 247.9), rgb(178, 217, 255).
Aa
Black text reads best on this color (14.26:1).
About this color
#B2D9FF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.067 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.034 away. Black text reads best on it, at 14.26:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 14.26:1 |
| White text | 1.47:1 |
Values
| HEX | #B2D9FF |
| RGB | rgb(178, 217, 255) |
| HSL | hsl(210, 100%, 85%) |
| OKLCH | oklch(87% 0.067 247.9) |
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 #B2D9FF | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #B2D9FF | 14.26:1 | AAA | Lc 81.4 | Fine for body text |
| #B2D9FF text on white | 1.47:1 | Fails | Lc 22.3 | Dividers and decoration only |
| #B2D9FF text on black | 14.26:1 | AAA | Lc -81.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DDECFA
oklch(93.6% 0.025 246.2)
-
Step 200
200 (this color)
#B2D9FF
oklch(87% 0.067 247.9)
-
Step 300
300
#94C6F6
oklch(80.9% 0.086 247.9)
-
Step 400
400
#52A6F2
oklch(70.6% 0.138 248.3)
-
Step 500
500
#008EEA
oklch(63.2% 0.17 248)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#004474
oklch(37.7% 0.101 247.8)
-
Step 950
950
#002848
oklch(27% 0.073 248.1)
#B2D9FF 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) | #CAD9FF | 0.029 |
| Deuteranopia (no green cones) | #C1D1FE | 0.026 |
| Tritanopia (no blue cones) | #9BE2E5 | 0.057 |
| Achromatopsia (no color) | #D5D5D5 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2D9FF
#B2D9FF
oklch(87% 0.067 247.9)
- #F2CDA5
#F2CDA5
oklch(87% 0.067 68.9)
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 #B2D9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.049
- Light Periwinkle #C1C6FC ΔE 0.050
- Celeste #A8DADC ΔE 0.053
- Cadet Gray #CED4DA ΔE 0.057
- Light Sky Blue #87CEFA ΔE 0.059
Use #B2D9FF 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.