#B9CDDF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.9% 0.033 245.4), rgb(185, 205, 223).
Aa
Black text reads best on this color (12.86:1).
About this color
#B9CDDF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.033 and its hue 245°. 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 12.86:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.86:1 |
| White text | 1.63:1 |
Values
| HEX | #B9CDDF |
| RGB | rgb(185, 205, 223) |
| HSL | hsl(208, 37%, 80%) |
| OKLCH | oklch(83.9% 0.033 245.4) |
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 #B9CDDF | 1.63:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #B9CDDF | 12.86:1 | AAA | Lc 75.6 | Fine for body text |
| #B9CDDF text on white | 1.63:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #B9CDDF text on black | 12.86:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE5
oklch(88.6% 0.018 245.4)
-
Step 300
300 (this color)
#B9CDDF
oklch(83.9% 0.033 245.4)
-
Step 400
400
#85A5C0
oklch(70.7% 0.053 244.1)
-
Step 500
500
#668EB0
oklch(63% 0.068 244.8)
-
Step 600
600
#4D789C
oklch(55.6% 0.074 244.9)
-
Step 700
700
#3E6585
oklch(49.2% 0.068 244.6)
-
Step 800
800
#33526C
oklch(42.6% 0.057 245)
-
Step 900
900
#2D4458
oklch(37.7% 0.045 245.6)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#B9CDDF 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) | #C6CDE0 | 0.017 |
| Deuteranopia (no green cones) | #C1C9DF | 0.014 |
| Tritanopia (no blue cones) | #AFD1D3 | 0.027 |
| Achromatopsia (no color) | #CACACA | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CDDF
#B9CDDF
oklch(83.9% 0.033 245.4)
- #DAC6B4
#DAC6B4
oklch(83.8% 0.033 64.4)
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 #B9CDDF, 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 0.028
- Light Blue #ADD8E6 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.035
- Cadet Gray #CED4DA ΔE 0.036
- Celeste #A8DADC ΔE 0.040
- Light Gray #D3D3D3 ΔE 0.043
- Silver #C0C0C0 ΔE 0.046
Use #B9CDDF 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.