#B1D2ED
Closest named color: Light Blue (#ADD8E6). oklch(84.9% 0.052 243), rgb(177, 210, 237).
Aa
Black text reads best on this color (13.31:1).
About this color
#B1D2ED is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.052 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.022 away. Black text reads best on it, at 13.31:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.31:1 |
| White text | 1.57:1 |
Values
| HEX | #B1D2ED |
| RGB | rgb(177, 210, 237) |
| HSL | hsl(207, 63%, 81%) |
| OKLCH | oklch(84.9% 0.052 243) |
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 #B1D2ED | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #B1D2ED | 13.31:1 | AAA | Lc 77.5 | Fine for body text |
| #B1D2ED text on white | 1.57:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #B1D2ED text on black | 13.31:1 | AAA | Lc -76.8 | 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
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200 (this color)
#B1D2ED
oklch(84.9% 0.052 243)
-
Step 300
300
#9CC6E9
oklch(80.9% 0.067 243.9)
-
Step 400
400
#62A8DE
oklch(70.7% 0.106 243.4)
-
Step 500
500
#2B91D4
oklch(63.1% 0.135 242.9)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#04466C
oklch(37.8% 0.088 242.2)
-
Step 950
950
#08293F
oklch(27% 0.055 242.5)
#B1D2ED 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) | #C7D2EE | 0.028 |
| Deuteranopia (no green cones) | #BFCBED | 0.024 |
| Tritanopia (no blue cones) | #A0D9DB | 0.042 |
| Achromatopsia (no color) | #CECECE | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D2ED
#B1D2ED
oklch(84.9% 0.052 243)
- #E6C7AB
#E6C7AB
oklch(84.9% 0.052 64.1)
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 #B1D2ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.037
- Celeste #A8DADC ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.045
Use #B1D2ED 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.