#B1BDD2
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.6% 0.033 261.7), rgb(177, 189, 210).
Aa
Black text reads best on this color (11.07:1).
About this color
#B1BDD2 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.033 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.014 away. Black text reads best on it, at 11.07:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #B1BDD2 |
| RGB | rgb(177, 189, 210) |
| HSL | hsl(218, 27%, 76%) |
| OKLCH | oklch(79.6% 0.033 261.7) |
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 #B1BDD2 | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #B1BDD2 | 11.07:1 | AAA | Lc 67.8 | Content text, not long reading |
| #B1BDD2 text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #B1BDD2 text on black | 11.07:1 | AAA | Lc -66.4 | 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
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300 (this color)
#B1BDD2
oklch(79.6% 0.033 261.7)
-
Step 400
400
#8FA1C2
oklch(70.6% 0.053 262.5)
-
Step 500
500
#738AB2
oklch(63.1% 0.066 261.3)
-
Step 600
600
#5C749E
oklch(55.7% 0.072 261.3)
-
Step 700
700
#4B6187
oklch(49.1% 0.067 261)
-
Step 800
800
#3E4F6E
oklch(42.7% 0.056 262.1)
-
Step 900
900
#354259
oklch(37.8% 0.043 261.6)
-
Step 950
950
#1F2734
oklch(27.1% 0.027 260)
#B1BDD2 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) | #B6BED3 | 0.008 |
| Deuteranopia (no green cones) | #B3BBD2 | 0.006 |
| Tritanopia (no blue cones) | #A9C1C4 | 0.028 |
| Achromatopsia (no color) | #BCBCBC | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BDD2
#B1BDD2
oklch(79.6% 0.033 261.7)
- #C7BBA5
#C7BBA5
oklch(79.6% 0.033 82.7)
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 #B1BDD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.021
- Light Grey Blue #9DBCD4 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.031
- French Gray #ADB5BD ΔE 0.033
- Silver #C0C0C0 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.036
- Thistle #D8BFD8 ΔE 0.056
Use #B1BDD2 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.