#B9DAFA
Closest named color: Light Blue (#ADD8E6). oklch(87.5% 0.057 247.7), rgb(185, 218, 250).
Aa
Black text reads best on this color (14.47:1).
About this color
#B9DAFA is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.057 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.033 away. Black text reads best on it, at 14.47:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.47:1 |
| White text | 1.45:1 |
Values
| HEX | #B9DAFA |
| RGB | rgb(185, 218, 250) |
| HSL | hsl(210, 87%, 85%) |
| OKLCH | oklch(87.5% 0.057 247.7) |
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 #B9DAFA | 1.45:1 | Fails | Lc -24.4 | Dividers and decoration only |
| Black text on #B9DAFA | 14.47:1 | AAA | Lc 82.2 | Fine for body text |
| #B9DAFA text on white | 1.45:1 | Fails | Lc 21.5 | Dividers and decoration only |
| #B9DAFA text on black | 14.47:1 | AAA | Lc -81.8 | 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)
#B9DAFA
oklch(87.5% 0.057 247.7)
-
Step 300
300
#9BC6EE
oklch(81% 0.073 246.9)
-
Step 400
400
#61A6E5
oklch(70.6% 0.116 247.7)
-
Step 500
500
#2B8FDE
oklch(63.2% 0.149 247.4)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#054472
oklch(37.7% 0.097 247.7)
-
Step 950
950
#082843
oklch(27% 0.062 248.2)
#B9DAFA 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) | #CEDAFC | 0.027 |
| Deuteranopia (no green cones) | #C6D3F9 | 0.023 |
| Tritanopia (no blue cones) | #A7E1E4 | 0.047 |
| Achromatopsia (no color) | #D6D6D6 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9DAFA
#B9DAFA
oklch(87.5% 0.057 247.7)
- #F0D0AF
#F0D0AF
oklch(87.6% 0.057 67.8)
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 #B9DAFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.048
- Celeste #A8DADC ΔE 0.049
- Light Periwinkle #C1C6FC ΔE 0.054
- Light Gray #D3D3D3 ΔE 0.057
Use #B9DAFA 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.