#B5CAEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.6% 0.057 261.8), rgb(181, 202, 239).
Aa
Black text reads best on this color (12.65:1).
About this color
#B5CAEF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.057 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.65:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.65:1 |
| White text | 1.65:1 |
Values
| HEX | #B5CAEF |
| RGB | rgb(181, 202, 239) |
| HSL | hsl(218, 64%, 82%) |
| OKLCH | oklch(83.6% 0.057 261.8) |
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 #B5CAEF | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #B5CAEF | 12.65:1 | AAA | Lc 74.8 | Content text, not long reading |
| #B5CAEF text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #B5CAEF text on black | 12.65:1 | AAA | Lc -73.8 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300 (this color)
#B5CAEF
oklch(83.6% 0.057 261.8)
-
Step 400
400
#81A1DA
oklch(70.7% 0.091 261.7)
-
Step 500
500
#6289D0
oklch(63.2% 0.116 261.7)
-
Step 600
600
#4971BD
oklch(55.6% 0.127 262.1)
-
Step 700
700
#3A5EA3
oklch(49% 0.118 262.2)
-
Step 800
800
#304D84
oklch(42.6% 0.098 262.1)
-
Step 900
900
#2B416A
oklch(37.8% 0.076 262)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#B5CAEF 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) | #BECCF1 | 0.013 |
| Deuteranopia (no green cones) | #B8C6EE | 0.010 |
| Tritanopia (no blue cones) | #A6D1D6 | 0.050 |
| Achromatopsia (no color) | #C9C9C9 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CAEF
#B5CAEF
oklch(83.6% 0.057 261.8)
- #DCC6A0
#DCC6A0
oklch(83.5% 0.056 81.2)
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 #B5CAEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.029
- Light Periwinkle #C1C6FC ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.051
Use #B5CAEF 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.