#B1DAFE
Closest named color: Light Blue (#ADD8E6). oklch(87.1% 0.066 245.2), rgb(177, 218, 254).
Aa
Black text reads best on this color (14.32:1).
About this color
#B1DAFE is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.066 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.034 away. Black text reads best on it, at 14.32:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.32:1 |
| White text | 1.46:1 |
Values
| HEX | #B1DAFE |
| RGB | rgb(177, 218, 254) |
| HSL | hsl(208, 97%, 85%) |
| OKLCH | oklch(87.1% 0.066 245.2) |
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 #B1DAFE | 1.46:1 | Fails | Lc -25.1 | Dividers and decoration only |
| Black text on #B1DAFE | 14.32:1 | AAA | Lc 81.7 | Fine for body text |
| #B1DAFE text on white | 1.46:1 | Fails | Lc 22.0 | Dividers and decoration only |
| #B1DAFE text on black | 14.32:1 | AAA | Lc -81.2 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFA
oklch(93.6% 0.025 246.2)
-
Step 200
200 (this color)
#B1DAFE
oklch(87.1% 0.066 245.2)
-
Step 300
300
#92C7F4
oklch(80.9% 0.085 244.7)
-
Step 400
400
#4DA8EF
oklch(70.7% 0.135 245.1)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#B1DAFE 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) | #CCDAFF | 0.033 |
| Deuteranopia (no green cones) | #C2D2FD | 0.027 |
| Tritanopia (no blue cones) | #9AE3E6 | 0.055 |
| Achromatopsia (no color) | #D5D5D5 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1DAFE
#B1DAFE
oklch(87.1% 0.066 245.2)
- #F4CCA7
#F4CCA7
oklch(87.1% 0.067 64.5)
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 #B1DAFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.050
- Celeste #A8DADC ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.053
- Cadet Gray #CED4DA ΔE 0.056
- Light Sky Blue #87CEFA ΔE 0.059
Use #B1DAFE 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.