#B5CDF2
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.3% 0.058 259), rgb(181, 205, 242).
Aa
Black text reads best on this color (12.97:1).
About this color
#B5CDF2 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.058 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.97:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.97:1 |
| White text | 1.61:1 |
Values
| HEX | #B5CDF2 |
| RGB | rgb(181, 205, 242) |
| HSL | hsl(216, 70%, 83%) |
| OKLCH | oklch(84.3% 0.058 259) |
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 #B5CDF2 | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #B5CDF2 | 12.97:1 | AAA | Lc 76.1 | Fine for body text |
| #B5CDF2 text on white | 1.61:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #B5CDF2 text on black | 12.97:1 | AAA | Lc -75.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300 (this color)
#B5CDF2
oklch(84.3% 0.058 259)
-
Step 400
400
#7DA2DB
oklch(70.7% 0.093 258.8)
-
Step 500
500
#5C8AD1
oklch(63.2% 0.119 258.8)
-
Step 600
600
#4272BE
oklch(55.5% 0.13 259.2)
-
Step 700
700
#3460A4
oklch(49.2% 0.12 258.9)
-
Step 800
800
#2B4E85
oklch(42.6% 0.1 259.1)
-
Step 900
900
#27416A
oklch(37.6% 0.078 259.2)
-
Step 950
950
#17273E
oklch(27.1% 0.048 257.5)
#B5CDF2 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) | #C1CFF4 | 0.017 |
| Deuteranopia (no green cones) | #BAC9F1 | 0.011 |
| Tritanopia (no blue cones) | #A5D5D9 | 0.052 |
| Achromatopsia (no color) | #CBCBCB | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CDF2
#B5CDF2
oklch(84.3% 0.058 259)
- #E0C8A1
#E0C8A1
oklch(84.3% 0.058 79.8)
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 #B5CDF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.026
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.053
Use #B5CDF2 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.