#B3C3FA
Closest named color: Light Periwinkle (#C1C6FC). oklch(82.4% 0.08 272), rgb(179, 195, 250).
Aa
Black text reads best on this color (12.10:1).
About this color
#B3C3FA is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.080 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.021 away. Black text reads best on it, at 12.10:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.10:1 |
| White text | 1.73:1 |
Values
| HEX | #B3C3FA |
| RGB | rgb(179, 195, 250) |
| HSL | hsl(226, 88%, 84%) |
| OKLCH | oklch(82.4% 0.08 272) |
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 #B3C3FA | 1.73:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #B3C3FA | 12.10:1 | AAA | Lc 72.4 | Content text, not long reading |
| #B3C3FA text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #B3C3FA text on black | 12.10:1 | AAA | Lc -71.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300 (this color)
#B3C3FA
oklch(82.4% 0.08 272)
-
Step 400
400
#859BF0
oklch(70.8% 0.127 271.8)
-
Step 500
500
#687FEB
oklch(63.1% 0.163 271.9)
-
Step 600
600
#5266D9
oklch(55.7% 0.176 272)
-
Step 700
700
#4354BC
oklch(49.2% 0.164 272)
-
Step 800
800
#374598
oklch(42.7% 0.136 272.2)
-
Step 900
900
#2F3B79
oklch(37.7% 0.106 272.1)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#B3C3FA 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) | #B2C8FC | 0.013 |
| Deuteranopia (no green cones) | #ADC2F9 | 0.008 |
| Tritanopia (no blue cones) | #A0CDD6 | 0.070 |
| Achromatopsia (no color) | #C4C4C4 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3C3FA
#B3C3FA
oklch(82.4% 0.08 272)
- #D8C48A
#D8C48A
oklch(82.3% 0.079 91.2)
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 #B3C3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.021
- Pastel Blue #A2BFFE ΔE 0.026
- Baby Blue #A2CFFE ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.055
- Sky #82CAFC ΔE 0.056
Use #B3C3FA 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.