#B5CDFB
Closest named color: Baby Blue (#A2CFFE). oklch(84.6% 0.07 263.3), rgb(181, 205, 251).
Aa
Black text reads best on this color (13.09:1).
About this color
#B5CDFB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.070 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.022 away. Black text reads best on it, at 13.09:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #B5CDFB |
| RGB | rgb(181, 205, 251) |
| HSL | hsl(219, 90%, 85%) |
| OKLCH | oklch(84.6% 0.07 263.3) |
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 #B5CDFB | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #B5CDFB | 13.09:1 | AAA | Lc 76.6 | Fine for body text |
| #B5CDFB text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #B5CDFB text on black | 13.09:1 | AAA | Lc -75.8 | 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
#CCDAF4
oklch(88.6% 0.039 262.9)
-
Step 300
300 (this color)
#B5CDFB
oklch(84.6% 0.07 263.3)
-
Step 400
400
#7CA0E6
oklch(70.8% 0.111 263)
-
Step 500
500
#5B86DF
oklch(63% 0.143 263.4)
-
Step 600
600
#416ECD
oklch(55.6% 0.155 263.2)
-
Step 700
700
#345BB1
oklch(49% 0.144 263.6)
-
Step 800
800
#2B4B8F
oklch(42.6% 0.119 263.3)
-
Step 900
900
#273F72
oklch(37.6% 0.092 263.6)
-
Step 950
950
#172543
oklch(26.9% 0.059 264)
#B5CDFB 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) | #BED0FD | 0.015 |
| Deuteranopia (no green cones) | #B7C9FA | 0.010 |
| Tritanopia (no blue cones) | #A2D6DC | 0.062 |
| Achromatopsia (no color) | #CCCCCC | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CDFB
#B5CDFB
oklch(84.6% 0.07 263.3)
- #E3C999
#E3C999
oklch(84.6% 0.069 82.6)
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 #B5CDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.022
- Light Periwinkle #C1C6FC ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.052
Use #B5CDFB 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.