#B3C8DD
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.4% 0.037 248.3), rgb(179, 200, 221).
Aa
Black text reads best on this color (12.22:1).
About this color
#B3C8DD is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.037 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.009 away. Black text reads best on it, at 12.22:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.22:1 |
| White text | 1.71:1 |
Values
| HEX | #B3C8DD |
| RGB | rgb(179, 200, 221) |
| HSL | hsl(210, 38%, 78%) |
| OKLCH | oklch(82.4% 0.037 248.3) |
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 #B3C8DD | 1.71:1 | Fails | Lc -34.8 | Non-text elements, placeholder text |
| Black text on #B3C8DD | 12.22:1 | AAA | Lc 72.9 | Content text, not long reading |
| #B3C8DD text on white | 1.71:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #B3C8DD text on black | 12.22:1 | AAA | Lc -71.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300 (this color)
#B3C8DD
oklch(82.4% 0.037 248.3)
-
Step 400
400
#84A4C5
oklch(70.7% 0.06 249.5)
-
Step 500
500
#648EB6
oklch(63.2% 0.076 247.9)
-
Step 600
600
#4A77A2
oklch(55.5% 0.084 248.5)
-
Step 700
700
#3B648B
oklch(49.1% 0.078 248.5)
-
Step 800
800
#315271
oklch(42.7% 0.065 248.1)
-
Step 900
900
#2C445B
oklch(37.8% 0.05 248.2)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#B3C8DD 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) | #C0C8DE | 0.017 |
| Deuteranopia (no green cones) | #BBC4DD | 0.014 |
| Tritanopia (no blue cones) | #A8CDCF | 0.031 |
| Achromatopsia (no color) | #C5C5C5 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3C8DD
#B3C8DD
oklch(82.4% 0.037 248.3)
- #D6C1AC
#D6C1AC
oklch(82.3% 0.037 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 #B3C8DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.009
- Light Steel Blue #B0C4DE ΔE 0.012
- Cloudy Blue #ACC2D9 ΔE 0.019
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.041
- Silver #C0C0C0 ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.047
Use #B3C8DD 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.