#B3DEFF
Closest named color: Light Blue (#ADD8E6). oklch(88.1% 0.064 241.5), rgb(179, 222, 255).
Aa
Black text reads best on this color (14.80:1).
About this color
#B3DEFF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.064 and its hue 241°. 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 14.80:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.80:1 |
| White text | 1.41:1 |
Values
| HEX | #B3DEFF |
| RGB | rgb(179, 222, 255) |
| HSL | hsl(206, 100%, 85%) |
| OKLCH | oklch(88.1% 0.064 241.5) |
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 #B3DEFF | 1.41:1 | Fails | Lc -22.9 | Dividers and decoration only |
| Black text on #B3DEFF | 14.80:1 | AAA | Lc 83.6 | Fine for body text |
| #B3DEFF text on white | 1.41:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #B3DEFF text on black | 14.80:1 | AAA | Lc -83.3 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200 (this color)
#B3DEFF
oklch(88.1% 0.064 241.5)
-
Step 300
300
#90C8F1
oklch(80.9% 0.082 240.8)
-
Step 400
400
#48AAEB
oklch(70.8% 0.132 241.3)
-
Step 500
500
#0092DA
oklch(63.1% 0.148 241.4)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002942
oklch(26.9% 0.063 241.6)
#B3DEFF 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) | #D0DDFF | 0.035 |
| Deuteranopia (no green cones) | #C6D5FE | 0.031 |
| Tritanopia (no blue cones) | #9CE6E9 | 0.050 |
| Achromatopsia (no color) | #D9D9D9 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3DEFF
#B3DEFF
oklch(88.1% 0.064 241.5)
- #F8CFAD
#F8CFAD
oklch(88.1% 0.065 61.5)
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 #B3DEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.047
- Celeste #A8DADC ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.054
- Diamond #B9F2FF ΔE 0.055
- Cadet Gray #CED4DA ΔE 0.055
- Pale Turquoise #AFEEEE ΔE 0.056
Use #B3DEFF 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.