#B2DAFB
Closest named color: Light Blue (#ADD8E6). oklch(87.1% 0.062 243.4), rgb(178, 218, 251).
Aa
Black text reads best on this color (14.31:1).
About this color
#B2DAFB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.062 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.030 away. Black text reads best on it, at 14.31:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.31:1 |
| White text | 1.46:1 |
Values
| HEX | #B2DAFB |
| RGB | rgb(178, 218, 251) |
| HSL | hsl(207, 90%, 84%) |
| OKLCH | oklch(87.1% 0.062 243.4) |
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 #B2DAFB | 1.46:1 | Fails | Lc -25.1 | Dividers and decoration only |
| Black text on #B2DAFB | 14.31:1 | AAA | Lc 81.6 | Fine for body text |
| #B2DAFB text on white | 1.46:1 | Fails | Lc 22.1 | Dividers and decoration only |
| #B2DAFB text on black | 14.31:1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DDECF9
oklch(93.6% 0.024 244.1)
-
Step 200
200 (this color)
#B2DAFB
oklch(87.1% 0.062 243.4)
-
Step 300
300
#94C7F1
oklch(80.9% 0.08 243.8)
-
Step 400
400
#50A9EA
oklch(70.8% 0.128 243.2)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#B2DAFB 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) | #CDDAFD | 0.034 |
| Deuteranopia (no green cones) | #C3D2FA | 0.027 |
| Tritanopia (no blue cones) | #9CE2E5 | 0.050 |
| Achromatopsia (no color) | #D5D5D5 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2DAFB
#B2DAFB
oklch(87.1% 0.062 243.4)
- #F3CCAB
#F3CCAB
oklch(87% 0.062 62.1)
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 #B2DAFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.038
- Celeste #A8DADC ΔE 0.047
- Light Blue Grey #B7C9E2 ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.052
- Light Periwinkle #C1C6FC ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.060
Use #B2DAFB 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.