#B9DBFB
Closest named color: Light Blue (#ADD8E6). oklch(87.7% 0.057 246.9), rgb(185, 219, 251).
Aa
Black text reads best on this color (14.58:1).
About this color
#B9DBFB is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.057 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 14.58:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.58:1 |
| White text | 1.43:1 |
Values
| HEX | #B9DBFB |
| RGB | rgb(185, 219, 251) |
| HSL | hsl(209, 89%, 85%) |
| OKLCH | oklch(87.7% 0.057 246.9) |
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 #B9DBFB | 1.43:1 | Fails | Lc -23.9 | Dividers and decoration only |
| Black text on #B9DBFB | 14.58:1 | AAA | Lc 82.7 | Fine for body text |
| #B9DBFB text on white | 1.43:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #B9DBFB text on black | 14.58:1 | AAA | Lc -82.3 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200 (this color)
#B9DBFB
oklch(87.7% 0.057 246.9)
-
Step 300
300
#9AC6EE
oklch(80.9% 0.074 246.3)
-
Step 400
400
#5FA7E6
oklch(70.8% 0.118 246.8)
-
Step 500
500
#268FDE
oklch(63.1% 0.15 246.7)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#014472
oklch(37.6% 0.098 247)
-
Step 950
950
#072843
oklch(26.9% 0.063 247.7)
#B9DBFB 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) | #CFDBFD | 0.028 |
| Deuteranopia (no green cones) | #C7D4FA | 0.023 |
| Tritanopia (no blue cones) | #A6E2E5 | 0.047 |
| Achromatopsia (no color) | #D7D7D7 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9DBFB
#B9DBFB
oklch(87.7% 0.057 246.9)
- #F1D0AF
#F1D0AF
oklch(87.7% 0.057 67)
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 #B9DBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.048
- Celeste #A8DADC ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.056
- Light Gray #D3D3D3 ΔE 0.058
Use #B9DBFB 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.