#B5C8FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.8% 0.08 269.8), rgb(181, 200, 255).
Aa
Black text reads best on this color (12.67:1).
About this color
#B5C8FF is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.080 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.016 away. Black text reads best on it, at 12.67:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.67:1 |
| White text | 1.65:1 |
Values
| HEX | #B5C8FF |
| RGB | rgb(181, 200, 255) |
| HSL | hsl(225, 100%, 85%) |
| OKLCH | oklch(83.8% 0.08 269.8) |
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 #B5C8FF | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #B5C8FF | 12.67:1 | AAA | Lc 74.8 | Content text, not long reading |
| #B5C8FF text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #B5C8FF text on black | 12.67:1 | AAA | Lc -73.9 | 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
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300 (this color)
#B5C8FF
oklch(83.8% 0.08 269.8)
-
Step 400
400
#819CF1
oklch(70.8% 0.128 269.6)
-
Step 500
500
#6380EC
oklch(63% 0.165 269.9)
-
Step 600
600
#4C67DA
oklch(55.6% 0.178 269.8)
-
Step 700
700
#3E55BD
oklch(49.2% 0.165 269.9)
-
Step 800
800
#334699
oklch(42.7% 0.137 270)
-
Step 900
900
#2C3C7A
oklch(37.8% 0.107 269.8)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#B5C8FF 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) | #B7CCFF | 0.011 |
| Deuteranopia (no green cones) | #B1C6FE | 0.008 |
| Tritanopia (no blue cones) | #A1D3DB | 0.072 |
| Achromatopsia (no color) | #C9C9C9 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5C8FF
#B5C8FF
oklch(83.8% 0.08 269.8)
- #DEC88D
#DEC88D
oklch(83.7% 0.08 89.9)
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 #B5C8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.016
- Baby Blue #A2CFFE ΔE 0.028
- Pastel Blue #A2BFFE ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.055
- Light Lavender #DFC5FE ΔE 0.056
Use #B5C8FF 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.