#B5C1FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(82.4% 0.088 275.8), rgb(181, 193, 255).
Aa
Black text reads best on this color (12.03:1).
About this color
#B5C1FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.088 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.023 away. Black text reads best on it, at 12.03:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.03:1 |
| White text | 1.74:1 |
Values
| HEX | #B5C1FF |
| RGB | rgb(181, 193, 255) |
| HSL | hsl(230, 100%, 85%) |
| OKLCH | oklch(82.4% 0.088 275.8) |
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 #B5C1FF | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #B5C1FF | 12.03:1 | AAA | Lc 72.1 | Content text, not long reading |
| #B5C1FF text on white | 1.74:1 | Fails | Lc 31.7 | Non-text elements, placeholder text |
| #B5C1FF text on black | 12.03:1 | AAA | Lc -71.0 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D0D7FA
oklch(88.5% 0.049 276.4)
-
Step 300
300 (this color)
#B5C1FF
oklch(82.4% 0.088 275.8)
-
Step 400
400
#8997F8
oklch(70.7% 0.142 275.9)
-
Step 500
500
#6E7AF4
oklch(63.1% 0.18 275.7)
-
Step 600
600
#595FE3
oklch(55.6% 0.197 276)
-
Step 700
700
#494EC5
oklch(49.2% 0.182 275.6)
-
Step 800
800
#3C409F
oklch(42.6% 0.151 276.1)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214A
oklch(26.9% 0.075 275.9)
#B5C1FF 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) | #AFC7FF | 0.017 |
| Deuteranopia (no green cones) | #AAC1FD | 0.015 |
| Tritanopia (no blue cones) | #A2CDD6 | 0.080 |
| Achromatopsia (no color) | #C4C4C4 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5C1FF
#B5C1FF
oklch(82.4% 0.088 275.8)
- #D6C682
#D6C682
oklch(82.4% 0.089 96.5)
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 #B5C1FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.023
- Pastel Blue #A2BFFE ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.052
- Light Violet #D6B4FC ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.058
Use #B5C1FF 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.