#B3CAFE
Closest named color: Light Periwinkle (#C1C6FC). oklch(84% 0.077 266.1), rgb(179, 202, 254).
Aa
Black text reads best on this color (12.79:1).
About this color
#B3CAFE is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.077 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.019 away. Black text reads best on it, at 12.79:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #B3CAFE |
| RGB | rgb(179, 202, 254) |
| HSL | hsl(222, 97%, 85%) |
| OKLCH | oklch(84% 0.077 266.1) |
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 #B3CAFE | 1.64:1 | Fails | Lc -32.1 | Non-text elements, placeholder text |
| Black text on #B3CAFE | 12.79:1 | AAA | Lc 75.4 | Fine for body text |
| #B3CAFE text on white | 1.64:1 | Fails | Lc 28.4 | Dividers and decoration only |
| #B3CAFE text on black | 12.79:1 | AAA | Lc -74.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F6
oklch(88.5% 0.042 266.3)
-
Step 300
300 (this color)
#B3CAFE
oklch(84% 0.077 266.1)
-
Step 400
400
#7C9EEE
oklch(70.7% 0.124 265.8)
-
Step 500
500
#5C83E8
oklch(63% 0.158 266.1)
-
Step 600
600
#446AD7
oklch(55.6% 0.173 266.4)
-
Step 700
700
#3658BA
oklch(49.1% 0.16 266.2)
-
Step 800
800
#2D4896
oklch(42.6% 0.132 266.4)
-
Step 900
900
#283D78
oklch(37.6% 0.104 266.7)
-
Step 950
950
#172446
oklch(26.9% 0.066 266.3)
#B3CAFE 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) | #B9CEFF | 0.014 |
| Deuteranopia (no green cones) | #B2C7FD | 0.008 |
| Tritanopia (no blue cones) | #9ED4DB | 0.070 |
| Achromatopsia (no color) | #CACACA | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CAFE
#B3CAFE
oklch(84% 0.077 266.1)
- #E1C890
#E1C890
oklch(84.1% 0.078 86.6)
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 #B3CAFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.019
- Baby Blue #A2CFFE ΔE 0.023
- Pastel Blue #A2BFFE ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.045
- Light Sky Blue #87CEFA ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.053
- Sky #82CAFC ΔE 0.055
Use #B3CAFE 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.