#B0C3D5
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.8% 0.033 246.8), rgb(176, 195, 213).
Aa
Black text reads best on this color (11.61:1).
About this color
#B0C3D5 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.033 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.009 away. Black text reads best on it, at 11.61:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.61:1 |
| White text | 1.80:1 |
Values
| HEX | #B0C3D5 |
| RGB | rgb(176, 195, 213) |
| HSL | hsl(209, 31%, 76%) |
| OKLCH | oklch(80.8% 0.033 246.8) |
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 #B0C3D5 | 1.80:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #B0C3D5 | 11.61:1 | AAA | Lc 70.2 | Content text, not long reading |
| #B0C3D5 text on white | 1.80:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #B0C3D5 text on black | 11.61:1 | AAA | Lc -69.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE5
oklch(88.6% 0.018 245.4)
-
Step 300
300 (this color)
#B0C3D5
oklch(80.8% 0.033 246.8)
-
Step 400
400
#86A4C0
oklch(70.6% 0.053 246.8)
-
Step 500
500
#688EB0
oklch(63.2% 0.067 246.1)
-
Step 600
600
#4F779C
oklch(55.5% 0.073 247.4)
-
Step 700
700
#406485
oklch(49% 0.068 247.3)
-
Step 800
800
#35526C
oklch(42.7% 0.056 246.6)
-
Step 900
900
#2E4458
oklch(37.7% 0.044 246.7)
-
Step 950
950
#1B2833
oklch(27% 0.027 244.6)
#B0C3D5 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) | #BCC3D6 | 0.016 |
| Deuteranopia (no green cones) | #B8BFD5 | 0.014 |
| Tritanopia (no blue cones) | #A7C7C9 | 0.026 |
| Achromatopsia (no color) | #C1C1C1 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0C3D5
#B0C3D5
oklch(80.8% 0.033 246.8)
- #CFBDAB
#CFBDAB
oklch(80.9% 0.032 67.3)
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 #B0C3D5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.009
- Light Steel Blue #B0C4DE ΔE 0.012
- Light Blue Grey #B7C9E2 ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.032
- Silver #C0C0C0 ΔE 0.033
- French Gray #ADB5BD ΔE 0.043
- Sky Blue #87CEEB ΔE 0.053
Use #B0C3D5 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.