#B9CAEB
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.7% 0.05 263.7), rgb(185, 202, 235).
Aa
Black text reads best on this color (12.71:1).
About this color
#B9CAEB is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.050 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.013 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #B9CAEB |
| RGB | rgb(185, 202, 235) |
| HSL | hsl(220, 56%, 82%) |
| OKLCH | oklch(83.7% 0.05 263.7) |
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 #B9CAEB | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #B9CAEB | 12.71:1 | AAA | Lc 75.0 | Content text, not long reading |
| #B9CAEB text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #B9CAEB text on black | 12.71:1 | AAA | Lc -74.0 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300 (this color)
#B9CAEB
oklch(83.7% 0.05 263.7)
-
Step 400
400
#87A1D3
oklch(70.8% 0.079 263.2)
-
Step 500
500
#6988C8
oklch(63% 0.103 263.9)
-
Step 600
600
#5171B4
oklch(55.5% 0.111 263.8)
-
Step 700
700
#425F9B
oklch(49.2% 0.103 263.6)
-
Step 800
800
#364E7E
oklch(42.8% 0.085 263.1)
-
Step 900
900
#2F4165
oklch(37.8% 0.066 263.3)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#B9CAEB 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) | #C0CCED | 0.011 |
| Deuteranopia (no green cones) | #BBC7EA | 0.008 |
| Tritanopia (no blue cones) | #ADD1D5 | 0.045 |
| Achromatopsia (no color) | #C9C9C9 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CAEB
#B9CAEB
oklch(83.7% 0.05 263.7)
- #D9C7A5
#D9C7A5
oklch(83.6% 0.05 83.3)
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 #B9CAEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.013
- Light Steel Blue #B0C4DE ΔE 0.025
- Light Periwinkle #C1C6FC ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.042
- Thistle #D8BFD8 ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.050
Use #B9CAEB 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.