#B5CAEA
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.4% 0.051 258.7), rgb(181, 202, 234).
Aa
Black text reads best on this color (12.60:1).
About this color
#B5CAEA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.051 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.011 away. Black text reads best on it, at 12.60:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #B5CAEA |
| RGB | rgb(181, 202, 234) |
| HSL | hsl(216, 56%, 81%) |
| OKLCH | oklch(83.4% 0.051 258.7) |
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 #B5CAEA | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #B5CAEA | 12.60:1 | AAA | Lc 74.5 | Content text, not long reading |
| #B5CAEA text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #B5CAEA text on black | 12.60:1 | AAA | Lc -73.5 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300 (this color)
#B5CAEA
oklch(83.4% 0.051 258.7)
-
Step 400
400
#82A2D3
oklch(70.7% 0.081 258.7)
-
Step 500
500
#628AC8
oklch(63% 0.104 258.9)
-
Step 600
600
#4973B4
oklch(55.5% 0.112 258.8)
-
Step 700
700
#3A609B
oklch(49% 0.105 258.9)
-
Step 800
800
#304F7E
oklch(42.7% 0.087 258.5)
-
Step 900
900
#2B4265
oklch(37.7% 0.067 258.5)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#B5CAEA 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) | #BFCBEC | 0.014 |
| Deuteranopia (no green cones) | #BAC6E9 | 0.011 |
| Tritanopia (no blue cones) | #A7D1D4 | 0.046 |
| Achromatopsia (no color) | #C8C8C8 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CAEA
#B5CAEA
oklch(83.4% 0.051 258.7)
- #DBC5A4
#DBC5A4
oklch(83.3% 0.051 77.9)
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 #B5CAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.011
- Light Steel Blue #B0C4DE ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Sky Blue #87CEEB ΔE 0.052
Use #B5CAEA 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.