#B5CDFD
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.7% 0.072 264.1), rgb(181, 205, 253).
Aa
Black text reads best on this color (13.11:1).
About this color
#B5CDFD is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.072 and its hue 264°. 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 13.11:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.11:1 |
| White text | 1.60:1 |
Values
| HEX | #B5CDFD |
| RGB | rgb(181, 205, 253) |
| HSL | hsl(220, 95%, 85%) |
| OKLCH | oklch(84.7% 0.072 264.1) |
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 #B5CDFD | 1.60:1 | Fails | Lc -30.6 | Non-text elements, placeholder text |
| Black text on #B5CDFD | 13.11:1 | AAA | Lc 76.7 | Fine for body text |
| #B5CDFD text on white | 1.60:1 | Fails | Lc 27.1 | Dividers and decoration only |
| #B5CDFD text on black | 13.11:1 | AAA | Lc -75.9 | 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 300.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF5
oklch(88.6% 0.04 263.7)
-
Step 300
300 (this color)
#B5CDFD
oklch(84.7% 0.072 264.1)
-
Step 400
400
#7C9FE9
oklch(70.7% 0.116 264.3)
-
Step 500
500
#5B85E2
oklch(63% 0.148 264.3)
-
Step 600
600
#416DD0
oklch(55.6% 0.161 263.9)
-
Step 700
700
#345AB4
oklch(49% 0.149 264.4)
-
Step 800
800
#2B4A92
oklch(42.6% 0.124 264.3)
-
Step 900
900
#273F74
oklch(37.7% 0.096 264)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#B5CDFD 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) | #B7C9FC | 0.010 |
| Tritanopia (no blue cones) | #A1D7DD | 0.065 |
| Achromatopsia (no color) | #CCCCCC | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CDFD
#B5CDFD
oklch(84.7% 0.072 264.1)
- #E3C997
#E3C997
oklch(84.6% 0.072 83.5)
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 #B5CDFD, 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 0.022
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.054
Use #B5CDFD 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.