#B5CDFF
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.8% 0.075 264.8), rgb(181, 205, 255).
Aa
Black text reads best on this color (13.14:1).
About this color
#B5CDFF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.075 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.022 away. Black text reads best on it, at 13.14:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.14:1 |
| White text | 1.59:1 |
Values
| HEX | #B5CDFF |
| RGB | rgb(181, 205, 255) |
| HSL | hsl(221, 100%, 85%) |
| OKLCH | oklch(84.8% 0.075 264.8) |
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 #B5CDFF | 1.59:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #B5CDFF | 13.14:1 | AAA | Lc 76.8 | Fine for body text |
| #B5CDFF text on white | 1.59:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #B5CDFF text on black | 13.14:1 | AAA | Lc -76.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200 (this color)
#B5CDFF
oklch(84.8% 0.075 264.8)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719DFF
oklch(70.8% 0.152 264.6)
-
Step 500
500
#4C80FF
oklch(63.2% 0.197 264.6)
-
Step 600
600
#3265EE
oklch(55.6% 0.214 264.7)
-
Step 700
700
#2652CF
oklch(49% 0.199 264.9)
-
Step 800
800
#2044A7
oklch(42.6% 0.165 264.9)
-
Step 900
900
#1E3B85
oklch(37.7% 0.129 264.7)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#B5CDFF 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) | #BDD0FF | 0.014 |
| Deuteranopia (no green cones) | #B6CAFE | 0.008 |
| Tritanopia (no blue cones) | #A1D7DE | 0.066 |
| Achromatopsia (no color) | #CCCCCC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CDFF
#B5CDFF
oklch(84.8% 0.075 264.8)
- #E4CA95
#E4CA95
oklch(84.8% 0.075 84.7)
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 #B5CDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.053
- Light Blue #ADD8E6 ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.057
Use #B5CDFF 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.