#B5CAEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.4% 0.053 260), rgb(181, 202, 236).
Aa
Black text reads best on this color (12.62:1).
About this color
#B5CAEC is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.053 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.62:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.62:1 |
| White text | 1.66:1 |
Values
| HEX | #B5CAEC |
| RGB | rgb(181, 202, 236) |
| HSL | hsl(217, 59%, 82%) |
| OKLCH | oklch(83.4% 0.053 260) |
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 #B5CAEC | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #B5CAEC | 12.62:1 | AAA | Lc 74.6 | Content text, not long reading |
| #B5CAEC text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #B5CAEC text on black | 12.62:1 | AAA | Lc -73.7 | 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
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300 (this color)
#B5CAEC
oklch(83.4% 0.053 260)
-
Step 400
400
#82A2D6
oklch(70.8% 0.085 259.9)
-
Step 500
500
#628ACB
oklch(63.2% 0.108 259.8)
-
Step 600
600
#4972B8
oklch(55.5% 0.119 260.5)
-
Step 700
700
#3A609E
oklch(49.2% 0.109 259.7)
-
Step 800
800
#304E80
oklch(42.6% 0.091 260.1)
-
Step 900
900
#2B4167
oklch(37.6% 0.071 260.8)
-
Step 950
950
#19263C
oklch(26.8% 0.045 260.5)
#B5CAEC 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) | #BFCCEE | 0.015 |
| Deuteranopia (no green cones) | #B9C6EB | 0.011 |
| Tritanopia (no blue cones) | #A7D1D5 | 0.047 |
| Achromatopsia (no color) | #C9C9C9 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CAEC
#B5CAEC
oklch(83.4% 0.053 260)
- #DBC6A2
#DBC6A2
oklch(83.5% 0.054 81.1)
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 #B5CAEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.051
Use #B5CAEC 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.