#B9D1DF
Closest named color: Light Blue (#ADD8E6). oklch(84.7% 0.032 233.4), rgb(185, 209, 223).
Aa
Black text reads best on this color (13.24:1).
About this color
#B9D1DF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.032 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.021 away. Black text reads best on it, at 13.24:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.24:1 |
| White text | 1.58:1 |
Values
| HEX | #B9D1DF |
| RGB | rgb(185, 209, 223) |
| HSL | hsl(202, 37%, 80%) |
| OKLCH | oklch(84.7% 0.032 233.4) |
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 #B9D1DF | 1.58:1 | Fails | Lc -30.0 | Non-text elements, placeholder text |
| Black text on #B9D1DF | 13.24:1 | AAA | Lc 77.2 | Fine for body text |
| #B9D1DF text on white | 1.58:1 | Fails | Lc 26.5 | Dividers and decoration only |
| #B9D1DF text on black | 13.24:1 | AAA | Lc -76.5 | 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 200.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200 (this color)
#B9D1DF
oklch(84.7% 0.032 233.4)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400
#76A8C4
oklch(70.6% 0.067 233.5)
-
Step 500
500
#5092B5
oklch(63% 0.086 233.5)
-
Step 600
600
#317CA1
oklch(55.6% 0.093 233.5)
-
Step 700
700
#23688A
oklch(49% 0.087 234.2)
-
Step 800
800
#1F5570
oklch(42.7% 0.072 233.9)
-
Step 900
900
#20465A
oklch(37.6% 0.055 233.9)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#B9D1DF 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) | #CAD0E0 | 0.022 |
| Deuteranopia (no green cones) | #C5CBDF | 0.021 |
| Tritanopia (no blue cones) | #AFD5D5 | 0.024 |
| Achromatopsia (no color) | #CDCDCD | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9D1DF
#B9D1DF
oklch(84.7% 0.032 233.4)
- #DFC8BA
#DFC8BA
oklch(84.8% 0.032 53.4)
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 #B9D1DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.024
- Cadet Gray #CED4DA ΔE 0.030
- Celeste #A8DADC ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.038
- Light Gray #D3D3D3 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.044
Use #B9D1DF 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.