#B9DEF2
Closest named color: Powder Blue (#B0E0E6). oklch(88% 0.048 231.6), rgb(185, 222, 242).
Aa
Black text reads best on this color (14.79:1).
About this color
#B9DEF2 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.048 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.023 away. Black text reads best on it, at 14.79:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.79:1 |
| White text | 1.41:1 |
Values
| HEX | #B9DEF2 |
| RGB | rgb(185, 222, 242) |
| HSL | hsl(201, 69%, 84%) |
| OKLCH | oklch(88% 0.048 231.6) |
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 #B9DEF2 | 1.41:1 | Fails | Lc -23.0 | Dividers and decoration only |
| Black text on #B9DEF2 | 14.79:1 | AAA | Lc 83.5 | Fine for body text |
| #B9DEF2 text on white | 1.41:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #B9DEF2 text on black | 14.79:1 | AAA | Lc -83.2 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200 (this color)
#B9DEF2
oklch(88% 0.048 231.6)
-
Step 300
300
#99C8E2
oklch(80.8% 0.062 232.7)
-
Step 400
400
#5AABD3
oklch(70.6% 0.098 231.9)
-
Step 500
500
#0F96C8
oklch(63.2% 0.126 231.6)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#032A3B
oklch(26.8% 0.052 232.3)
#B9DEF2 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) | #D4DCF3 | 0.034 |
| Deuteranopia (no green cones) | #CCD6F2 | 0.030 |
| Tritanopia (no blue cones) | #A9E4E4 | 0.035 |
| Achromatopsia (no color) | #D8D8D8 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9DEF2
#B9DEF2
oklch(88% 0.048 231.6)
- #F2D0BC
#F2D0BC
oklch(88.1% 0.047 52.3)
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 #B9DEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.026
- Celeste #A8DADC ΔE 0.038
- Cadet Gray #CED4DA ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.050
- Gainsboro #DCDCDC ΔE 0.050
- Diamond #B9F2FF ΔE 0.051
Use #B9DEF2 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.