#B1D2FB
Closest named color: Baby Blue (#A2CFFE). oklch(85.4% 0.067 254), rgb(177, 210, 251).
Aa
Black text reads best on this color (13.48:1).
About this color
#B1D2FB is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.067 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.021 away. Black text reads best on it, at 13.48:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.48:1 |
| White text | 1.55:1 |
Values
| HEX | #B1D2FB |
| RGB | rgb(177, 210, 251) |
| HSL | hsl(213, 90%, 84%) |
| OKLCH | oklch(85.4% 0.067 254) |
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 #B1D2FB | 1.55:1 | Fails | Lc -28.9 | Dividers and decoration only |
| Black text on #B1D2FB | 13.48:1 | AAA | Lc 78.2 | Fine for body text |
| #B1D2FB text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #B1D2FB text on black | 13.48:1 | AAA | Lc -77.5 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200 (this color)
#B1D2FB
oklch(85.4% 0.067 254)
-
Step 300
300
#9AC4F8
oklch(80.9% 0.087 254.1)
-
Step 400
400
#5FA3F5
oklch(70.6% 0.139 254.2)
-
Step 500
500
#2A8AF1
oklch(63.2% 0.177 253.9)
-
Step 600
600
#0072D7
oklch(55.6% 0.177 254)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#05417D
oklch(37.7% 0.116 254.1)
-
Step 950
950
#082749
oklch(27.1% 0.073 253.8)
#B1D2FB 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) | #C3D3FD | 0.023 |
| Deuteranopia (no green cones) | #BBCCFA | 0.019 |
| Tritanopia (no blue cones) | #9BDBDF | 0.059 |
| Achromatopsia (no color) | #CFCFCF | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D2FB
#B1D2FB
oklch(85.4% 0.067 254)
- #EAC99E
#EAC99E
oklch(85.4% 0.068 74)
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 #B1D2FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.049
- Powder Blue #B0E0E6 ΔE 0.055
- Sky Blue #87CEEB ΔE 0.055
Use #B1D2FB 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.