#B1BED3
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.8% 0.033 260), rgb(177, 190, 211).
Aa
Black text reads best on this color (11.17:1).
About this color
#B1BED3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.033 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.012 away. Black text reads best on it, at 11.17:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.17:1 |
| White text | 1.87:1 |
Values
| HEX | #B1BED3 |
| RGB | rgb(177, 190, 211) |
| HSL | hsl(217, 28%, 76%) |
| OKLCH | oklch(79.8% 0.033 260) |
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 #B1BED3 | 1.87:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #B1BED3 | 11.17:1 | AAA | Lc 68.3 | Content text, not long reading |
| #B1BED3 text on white | 1.87:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #B1BED3 text on black | 11.17:1 | AAA | Lc -66.9 | Content text, not long reading |
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 300.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300 (this color)
#B1BED3
oklch(79.8% 0.033 260)
-
Step 400
400
#8EA2C2
oklch(70.8% 0.052 259.8)
-
Step 500
500
#728AB3
oklch(63% 0.068 261)
-
Step 600
600
#5A749F
oklch(55.6% 0.074 260.2)
-
Step 700
700
#4A6188
oklch(49.1% 0.069 260.7)
-
Step 800
800
#3D4F6E
oklch(42.6% 0.057 261)
-
Step 900
900
#344259
oklch(37.7% 0.044 260.2)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#B1BED3 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) | #B7BFD4 | 0.009 |
| Deuteranopia (no green cones) | #B4BCD3 | 0.006 |
| Tritanopia (no blue cones) | #A9C2C5 | 0.028 |
| Achromatopsia (no color) | #BDBDBD | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BED3
#B1BED3
oklch(79.8% 0.033 260)
- #C9BBA6
#C9BBA6
oklch(79.8% 0.033 78.1)
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 #B1BED3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.012
- Light Steel Blue #B0C4DE ΔE 0.019
- Light Grey Blue #9DBCD4 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.033
- Silver #C0C0C0 ΔE 0.034
- French Gray #ADB5BD ΔE 0.035
- Thistle #D8BFD8 ΔE 0.055
Use #B1BED3 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.