#B9DDF4
Closest named color: Powder Blue (#B0E0E6). oklch(87.9% 0.05 236.2), rgb(185, 221, 244).
Aa
Black text reads best on this color (14.71:1).
About this color
#B9DDF4 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.050 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.026 away. Black text reads best on it, at 14.71:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.71:1 |
| White text | 1.42:1 |
Values
| HEX | #B9DDF4 |
| RGB | rgb(185, 221, 244) |
| HSL | hsl(203, 73%, 84%) |
| OKLCH | oklch(87.9% 0.05 236.2) |
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 #B9DDF4 | 1.42:1 | Fails | Lc -23.4 | Dividers and decoration only |
| Black text on #B9DDF4 | 14.71:1 | AAA | Lc 83.2 | Fine for body text |
| #B9DDF4 text on white | 1.42:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #B9DDF4 text on black | 14.71:1 | AAA | Lc -82.9 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200 (this color)
#B9DDF4
oklch(87.9% 0.05 236.2)
-
Step 300
300
#99C8E5
oklch(81% 0.064 235.7)
-
Step 400
400
#5CAAD8
oklch(70.7% 0.102 236.6)
-
Step 500
500
#1994CD
oklch(63.1% 0.13 236.1)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#042A3D
oklch(27% 0.054 235.8)
#B9DDF4 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) | #D3DCF5 | 0.032 |
| Deuteranopia (no green cones) | #CBD5F4 | 0.029 |
| Tritanopia (no blue cones) | #A8E3E4 | 0.038 |
| Achromatopsia (no color) | #D8D8D8 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9DDF4
#B9DDF4
oklch(87.9% 0.05 236.2)
- #F2D0B8
#F2D0B8
oklch(88% 0.05 57.2)
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 #B9DDF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.027
- Celeste #A8DADC ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.049
- Light Gray #D3D3D3 ΔE 0.051
- Gainsboro #DCDCDC ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.052
Use #B9DDF4 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.