#B9DDFE
Closest named color: Light Blue (#ADD8E6). oklch(88.2% 0.06 246.2), rgb(185, 221, 254).
Aa
Black text reads best on this color (14.83:1).
About this color
#B9DDFE is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.060 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.038 away. Black text reads best on it, at 14.83:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.83:1 |
| White text | 1.41:1 |
Values
| HEX | #B9DDFE |
| RGB | rgb(185, 221, 254) |
| HSL | hsl(209, 97%, 86%) |
| OKLCH | oklch(88.2% 0.06 246.2) |
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 #B9DDFE | 1.41:1 | Fails | Lc -22.8 | Dividers and decoration only |
| Black text on #B9DDFE | 14.83:1 | AAA | Lc 83.7 | Fine for body text |
| #B9DDFE text on white | 1.41:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #B9DDFE text on black | 14.83:1 | AAA | Lc -83.4 | 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
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200 (this color)
#B9DDFE
oklch(88.2% 0.06 246.2)
-
Step 300
300
#98C6F0
oklch(80.9% 0.077 246.5)
-
Step 400
400
#5AA7E8
oklch(70.6% 0.123 246.2)
-
Step 500
500
#178FE1
oklch(63% 0.156 246.2)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004572
oklch(37.9% 0.097 246)
-
Step 950
950
#042844
oklch(26.9% 0.065 247)
#B9DDFE 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) | #D0DDFF | 0.029 |
| Deuteranopia (no green cones) | #C8D6FD | 0.024 |
| Tritanopia (no blue cones) | #A5E5E8 | 0.049 |
| Achromatopsia (no color) | #D9D9D9 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9DDFE
#B9DDFE
oklch(88.2% 0.06 246.2)
- #F4D1AF
#F4D1AF
oklch(88.2% 0.06 66.1)
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 #B9DDFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.051
- Celeste #A8DADC ΔE 0.053
- Diamond #B9F2FF ΔE 0.056
- Light Blue Grey #B7C9E2 ΔE 0.056
- Pale Turquoise #AFEEEE ΔE 0.058
Use #B9DDFE 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.