#B2D9FB
Closest named color: Light Blue (#ADD8E6). oklch(86.9% 0.063 244.9), rgb(178, 217, 251).
Aa
Black text reads best on this color (14.21:1).
About this color
#B2D9FB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.063 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.031 away. Black text reads best on it, at 14.21:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.21:1 |
| White text | 1.47:1 |
Values
| HEX | #B2D9FB |
| RGB | rgb(178, 217, 251) |
| HSL | hsl(208, 90%, 84%) |
| OKLCH | oklch(86.9% 0.063 244.9) |
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 #B2D9FB | 1.47:1 | Fails | Lc -25.6 | Dividers and decoration only |
| Black text on #B2D9FB | 14.21:1 | AAA | Lc 81.2 | Fine for body text |
| #B2D9FB text on white | 1.47:1 | Fails | Lc 22.5 | Dividers and decoration only |
| #B2D9FB text on black | 14.21:1 | AAA | Lc -80.7 | 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
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200 (this color)
#B2D9FB
oklch(86.9% 0.063 244.9)
-
Step 300
300
#95C7F2
oklch(81% 0.081 245)
-
Step 400
400
#52A8EB
oklch(70.7% 0.129 244.7)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
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)
#B2D9FB 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) | #CCD9FD | 0.032 |
| Deuteranopia (no green cones) | #C2D1FA | 0.027 |
| Tritanopia (no blue cones) | #9CE1E4 | 0.051 |
| Achromatopsia (no color) | #D4D4D4 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2D9FB
#B2D9FB
oklch(86.9% 0.063 244.9)
- #F1CCA9
#F1CCA9
oklch(86.8% 0.063 65.3)
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 #B2D9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.046
- Celeste #A8DADC ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.059
Use #B2D9FB 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.