#B1D2EF
Closest named color: Light Blue (#ADD8E6). oklch(84.9% 0.054 245), rgb(177, 210, 239).
Aa
Black text reads best on this color (13.33:1).
About this color
#B1D2EF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.054 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.024 away. Black text reads best on it, at 13.33:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.33:1 |
| White text | 1.57:1 |
Values
| HEX | #B1D2EF |
| RGB | rgb(177, 210, 239) |
| HSL | hsl(208, 66%, 82%) |
| OKLCH | oklch(84.9% 0.054 245) |
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 #B1D2EF | 1.57:1 | Fails | Lc -29.6 | Dividers and decoration only |
| Black text on #B1D2EF | 13.33:1 | AAA | Lc 77.6 | Fine for body text |
| #B1D2EF text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #B1D2EF text on black | 13.33:1 | AAA | Lc -76.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200 (this color)
#B1D2EF
oklch(84.9% 0.054 245)
-
Step 300
300
#9CC6EB
oklch(80.9% 0.069 245.4)
-
Step 400
400
#61A7E1
oklch(70.6% 0.111 245.3)
-
Step 500
500
#2B90D8
oklch(63.1% 0.141 244.9)
-
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
#04456F
oklch(37.7% 0.093 245.1)
-
Step 950
950
#082941
oklch(27.1% 0.058 244.7)
#B1D2EF 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) | #C7D2F0 | 0.028 |
| Deuteranopia (no green cones) | #BFCBEE | 0.024 |
| Tritanopia (no blue cones) | #9FD9DB | 0.045 |
| Achromatopsia (no color) | #CECECE | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D2EF
#B1D2EF
oklch(84.9% 0.054 245)
- #E7C7A9
#E7C7A9
oklch(84.9% 0.054 65.2)
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 #B1D2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.025
- Baby Blue #A2CFFE ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.038
- Celeste #A8DADC ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.046
Use #B1D2EF 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.