#B5DFF9
Closest named color: Powder Blue (#B0E0E6). oklch(88.2% 0.057 235.5), rgb(181, 223, 249).
Aa
Black text reads best on this color (14.88:1).
About this color
#B5DFF9 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.057 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.029 away. Black text reads best on it, at 14.88:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.88:1 |
| White text | 1.41:1 |
Values
| HEX | #B5DFF9 |
| RGB | rgb(181, 223, 249) |
| HSL | hsl(203, 85%, 84%) |
| OKLCH | oklch(88.2% 0.057 235.5) |
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 #B5DFF9 | 1.41:1 | Fails | Lc -22.6 | Dividers and decoration only |
| Black text on #B5DFF9 | 14.88:1 | AAA | Lc 83.9 | Fine for body text |
| #B5DFF9 text on white | 1.41:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #B5DFF9 text on black | 14.88:1 | AAA | Lc -83.6 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DDECF6
oklch(93.5% 0.021 236.8)
-
Step 200
200 (this color)
#B5DFF9
oklch(88.2% 0.057 235.5)
-
Step 300
300
#93C9EA
oklch(81% 0.073 235.7)
-
Step 400
400
#4CABDF
oklch(70.6% 0.117 235.8)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#B5DFF9 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) | #D3DEFA | 0.037 |
| Deuteranopia (no green cones) | #CAD6F9 | 0.033 |
| Tritanopia (no blue cones) | #A1E6E7 | 0.043 |
| Achromatopsia (no color) | #D9D9D9 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5DFF9
#B5DFF9
oklch(88.2% 0.057 235.5)
- #F7CFB5
#F7CFB5
oklch(88.2% 0.057 54.8)
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 #B5DFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Diamond #B9F2FF ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.053
Use #B5DFF9 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.