#B3DAFF
Closest named color: Light Blue (#ADD8E6). oklch(87.3% 0.066 247.2), rgb(179, 218, 255).
Aa
Black text reads best on this color (14.38:1).
About this color
#B3DAFF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.066 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.036 away. Black text reads best on it, at 14.38:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.38:1 |
| White text | 1.45:1 |
Values
| HEX | #B3DAFF |
| RGB | rgb(179, 218, 255) |
| HSL | hsl(209, 100%, 85%) |
| OKLCH | oklch(87.3% 0.066 247.2) |
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 #B3DAFF | 1.45:1 | Fails | Lc -24.8 | Dividers and decoration only |
| Black text on #B3DAFF | 14.38:1 | AAA | Lc 81.9 | Fine for body text |
| #B3DAFF text on white | 1.45:1 | Fails | Lc 21.8 | Dividers and decoration only |
| #B3DAFF text on black | 14.38:1 | AAA | Lc -81.5 | 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)
#B3DAFF
oklch(87.3% 0.066 247.2)
-
Step 300
300
#94C6F5
oklch(80.8% 0.085 247.4)
-
Step 400
400
#52A7F0
oklch(70.7% 0.135 247.1)
-
Step 500
500
#008EE8
oklch(63% 0.168 247.5)
-
Step 600
600
#0078C4
oklch(55.7% 0.147 247.1)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#002847
oklch(27% 0.072 247.4)
#B3DAFF 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) | #CCDAFF | 0.031 |
| Deuteranopia (no green cones) | #C2D2FE | 0.026 |
| Tritanopia (no blue cones) | #9CE3E6 | 0.056 |
| Achromatopsia (no color) | #D6D6D6 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3DAFF
#B3DAFF
oklch(87.3% 0.066 247.2)
- #F3CEA7
#F3CEA7
oklch(87.3% 0.066 68.3)
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 #B3DAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.050
- Light Periwinkle #C1C6FC ΔE 0.052
- Celeste #A8DADC ΔE 0.053
- Cadet Gray #CED4DA ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.061
Use #B3DAFF 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.