#B9CAEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.7% 0.051 264.2), rgb(185, 202, 236).
Aa
Black text reads best on this color (12.72:1).
About this color
#B9CAEC is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.051 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.72:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.72:1 |
| White text | 1.65:1 |
Values
| HEX | #B9CAEC |
| RGB | rgb(185, 202, 236) |
| HSL | hsl(220, 57%, 83%) |
| OKLCH | oklch(83.7% 0.051 264.2) |
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 #B9CAEC | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #B9CAEC | 12.72:1 | AAA | Lc 75.0 | Fine for body text |
| #B9CAEC text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #B9CAEC text on black | 12.72:1 | AAA | Lc -74.1 | 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
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300 (this color)
#B9CAEC
oklch(83.7% 0.051 264.2)
-
Step 400
400
#87A0D4
oklch(70.6% 0.082 264.5)
-
Step 500
500
#6988C9
oklch(63.1% 0.105 264.2)
-
Step 600
600
#5171B6
oklch(55.6% 0.114 264.2)
-
Step 700
700
#425E9D
oklch(49.1% 0.107 264.7)
-
Step 800
800
#364D7F
oklch(42.6% 0.088 264.3)
-
Step 900
900
#2F4166
oklch(37.8% 0.068 263.7)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#B9CAEC 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 | 0.010 |
| Deuteranopia (no green cones) | #BBC7EB | 0.008 |
| Tritanopia (no blue cones) | #ACD1D5 | 0.046 |
| Achromatopsia (no color) | #C9C9C9 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CAEC
#B9CAEC
oklch(83.7% 0.051 264.2)
- #D9C8A4
#D9C8A4
oklch(83.8% 0.052 85.7)
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 #B9CAEC, 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 0.026
- Light Periwinkle #C1C6FC ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.043
- Thistle #D8BFD8 ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.051
Use #B9CAEC 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.