#B1CBDE
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.039 239.7), rgb(177, 203, 222).
Aa
Black text reads best on this color (12.46:1).
About this color
#B1CBDE is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.039 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.012 away. Black text reads best on it, at 12.46:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.46:1 |
| White text | 1.68:1 |
Values
| HEX | #B1CBDE |
| RGB | rgb(177, 203, 222) |
| HSL | hsl(205, 41%, 78%) |
| OKLCH | oklch(82.9% 0.039 239.7) |
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 #B1CBDE | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #B1CBDE | 12.46:1 | AAA | Lc 73.9 | Content text, not long reading |
| #B1CBDE text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #B1CBDE text on black | 12.46:1 | AAA | Lc -72.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300 (this color)
#B1CBDE
oklch(82.9% 0.039 239.7)
-
Step 400
400
#7DA6C4
oklch(70.6% 0.063 240.5)
-
Step 500
500
#5B90B5
oklch(63.1% 0.08 240.2)
-
Step 600
600
#3F7AA1
oklch(55.7% 0.087 239.8)
-
Step 700
700
#316689
oklch(49% 0.08 240.1)
-
Step 800
800
#295470
oklch(42.8% 0.067 239.5)
-
Step 900
900
#26455A
oklch(37.6% 0.052 239.7)
-
Step 950
950
#172935
oklch(27.1% 0.033 238.8)
#B1CBDE 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) | #C3CADF | 0.023 |
| Deuteranopia (no green cones) | #BDC5DE | 0.021 |
| Tritanopia (no blue cones) | #A5D0D1 | 0.030 |
| Achromatopsia (no color) | #C7C7C7 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CBDE
#B1CBDE
oklch(82.9% 0.039 239.7)
- #DBC2AE
#DBC2AE
oklch(83% 0.039 60.9)
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 #B1CBDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.012
- Light Steel Blue #B0C4DE ΔE 0.019
- Cloudy Blue #ACC2D9 ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.033
- Celeste #A8DADC ΔE 0.042
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Silver #C0C0C0 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.045
Use #B1CBDE 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.