#B9D1EA
Closest named color: Light Blue Grey (#B7C9E2). oklch(85.1% 0.044 249.4), rgb(185, 209, 234).
Aa
Black text reads best on this color (13.37:1).
About this color
#B9D1EA is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.044 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.021 away. Black text reads best on it, at 13.37:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.37:1 |
| White text | 1.57:1 |
Values
| HEX | #B9D1EA |
| RGB | rgb(185, 209, 234) |
| HSL | hsl(211, 54%, 82%) |
| OKLCH | oklch(85.1% 0.044 249.4) |
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 #B9D1EA | 1.57:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #B9D1EA | 13.37:1 | AAA | Lc 77.7 | Fine for body text |
| #B9D1EA text on white | 1.57:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #B9D1EA text on black | 13.37:1 | AAA | Lc -77.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200 (this color)
#B9D1EA
oklch(85.1% 0.044 249.4)
-
Step 300
300
#A6C4E4
oklch(80.9% 0.056 250.2)
-
Step 400
400
#74A5D6
oklch(70.6% 0.089 249.2)
-
Step 500
500
#4E8ECC
oklch(63.1% 0.115 249.4)
-
Step 600
600
#2F77B8
oklch(55.6% 0.124 249.2)
-
Step 700
700
#21649F
oklch(49.2% 0.115 249.2)
-
Step 800
800
#1E5281
oklch(42.8% 0.095 249.2)
-
Step 900
900
#1F4467
oklch(37.7% 0.074 249.2)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#B9D1EA 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) | #C8D1EB | 0.019 |
| Deuteranopia (no green cones) | #C2CCEA | 0.017 |
| Tritanopia (no blue cones) | #ACD7D9 | 0.037 |
| Achromatopsia (no color) | #CECECE | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9D1EA
#B9D1EA
oklch(85.1% 0.044 249.4)
- #E1CAB0
#E1CAB0
oklch(85.1% 0.044 70.6)
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 #B9D1EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.025
- Cadet Gray #CED4DA ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.040
- Celeste #A8DADC ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.043
- Light Periwinkle #C1C6FC ΔE 0.045
Use #B9D1EA 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.