#B9CBEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(84% 0.054 264.2), rgb(185, 203, 239).
Aa
Black text reads best on this color (12.85:1).
About this color
#B9CBEF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.054 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.85:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.85:1 |
| White text | 1.63:1 |
Values
| HEX | #B9CBEF |
| RGB | rgb(185, 203, 239) |
| HSL | hsl(220, 63%, 83%) |
| OKLCH | oklch(84% 0.054 264.2) |
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 #B9CBEF | 1.63:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #B9CBEF | 12.85:1 | AAA | Lc 75.6 | Fine for body text |
| #B9CBEF text on white | 1.63:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #B9CBEF text on black | 12.85:1 | AAA | Lc -74.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#CFD9EE
oklch(88.4% 0.031 265.3)
-
Step 300
300 (this color)
#B9CBEF
oklch(84% 0.054 264.2)
-
Step 400
400
#85A0D7
oklch(70.6% 0.087 264.1)
-
Step 500
500
#6788CD
oklch(63.2% 0.111 264)
-
Step 600
600
#4F70BA
oklch(55.5% 0.122 264.6)
-
Step 700
700
#405EA0
oklch(49.1% 0.112 264.3)
-
Step 800
800
#354D82
oklch(42.8% 0.093 264.4)
-
Step 900
900
#2E4068
oklch(37.6% 0.073 264.8)
-
Step 950
950
#1B263D
oklch(27% 0.046 264.1)
#B9CBEF 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) | #C0CDF1 | 0.011 |
| Deuteranopia (no green cones) | #BBC8EE | 0.008 |
| Tritanopia (no blue cones) | #ABD2D7 | 0.048 |
| Achromatopsia (no color) | #CACACA | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CBEF
#B9CBEF
oklch(84% 0.054 264.2)
- #DBC8A3
#DBC8A3
oklch(83.9% 0.054 83.9)
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 #B9CBEF, 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 Periwinkle #C1C6FC ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.043
- Thistle #D8BFD8 ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
Use #B9CBEF 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.