#B9CDEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.3% 0.049 259.1), rgb(185, 205, 236).
Aa
Black text reads best on this color (13.00:1).
About this color
#B9CDEC is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.049 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.016 away. Black text reads best on it, at 13.00:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.00:1 |
| White text | 1.61:1 |
Values
| HEX | #B9CDEC |
| RGB | rgb(185, 205, 236) |
| HSL | hsl(216, 57%, 83%) |
| OKLCH | oklch(84.3% 0.049 259.1) |
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 #B9CDEC | 1.61:1 | Fails | Lc -31.1 | Non-text elements, placeholder text |
| Black text on #B9CDEC | 13.00:1 | AAA | Lc 76.2 | Fine for body text |
| #B9CDEC text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #B9CDEC text on black | 13.00:1 | AAA | Lc -75.4 | Fine for body text |
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
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300 (this color)
#B9CDEC
oklch(84.3% 0.049 259.1)
-
Step 400
400
#83A2D1
oklch(70.7% 0.077 258.5)
-
Step 500
500
#648AC5
oklch(63% 0.099 258.9)
-
Step 600
600
#4B73B2
oklch(55.5% 0.108 259.2)
-
Step 700
700
#3C6099
oklch(49% 0.101 259.2)
-
Step 800
800
#324F7C
oklch(42.7% 0.083 258.9)
-
Step 900
900
#2C4264
oklch(37.7% 0.065 258.8)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#B9CDEC 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) | #C3CEEE | 0.014 |
| Deuteranopia (no green cones) | #BEC9EB | 0.011 |
| Tritanopia (no blue cones) | #ACD3D7 | 0.042 |
| Achromatopsia (no color) | #CBCBCB | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CDEC
#B9CDEC
oklch(84.3% 0.049 259.1)
- #DDC9A9
#DDC9A9
oklch(84.4% 0.048 79.5)
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 #B9CDEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.045
- Celeste #A8DADC ΔE 0.051
Use #B9CDEC 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.