#B9D1E7
Closest named color: Light Blue Grey (#B7C9E2). oklch(85% 0.04 246), rgb(185, 209, 231).
Aa
Black text reads best on this color (13.33:1).
About this color
#B9D1E7 is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.040 and its hue 246°. 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 13.33:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.33:1 |
| White text | 1.57:1 |
Values
| HEX | #B9D1E7 |
| RGB | rgb(185, 209, 231) |
| HSL | hsl(209, 49%, 82%) |
| OKLCH | oklch(85% 0.04 246) |
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 #B9D1E7 | 1.57:1 | Fails | Lc -29.6 | Dividers and decoration only |
| Black text on #B9D1E7 | 13.33:1 | AAA | Lc 77.6 | Fine for body text |
| #B9D1E7 text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #B9D1E7 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200 (this color)
#B9D1E7
oklch(85% 0.04 246)
-
Step 300
300
#A6C5E1
oklch(81% 0.052 245.8)
-
Step 400
400
#75A6D1
oklch(70.7% 0.082 245.8)
-
Step 500
500
#4F8FC5
oklch(63% 0.105 246)
-
Step 600
600
#3078B2
oklch(55.5% 0.115 246.4)
-
Step 700
700
#216599
oklch(49.1% 0.107 245.9)
-
Step 800
800
#1E537C
oklch(42.8% 0.088 245.5)
-
Step 900
900
#1F4564
oklch(37.8% 0.069 245.7)
-
Step 950
950
#13283A
oklch(26.9% 0.043 246.2)
#B9D1E7 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) | #C9D1E8 | 0.021 |
| Deuteranopia (no green cones) | #C3CCE7 | 0.017 |
| Tritanopia (no blue cones) | #ADD6D8 | 0.033 |
| Achromatopsia (no color) | #CECECE | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9D1E7
#B9D1E7
oklch(85% 0.04 246)
- #E1C9B3
#E1C9B3
oklch(85% 0.04 64.8)
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 #B9D1E7, 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 0.023
- Cadet Gray #CED4DA ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.037
- Celeste #A8DADC ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.043
- Light Gray #D3D3D3 ΔE 0.044
Use #B9D1E7 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.