#B3C8DB
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.3% 0.035 245.5), rgb(179, 200, 219).
Aa
Black text reads best on this color (12.20:1).
About this color
#B3C8DB is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.035 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.011 away. Black text reads best on it, at 12.20:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.20:1 |
| White text | 1.72:1 |
Values
| HEX | #B3C8DB |
| RGB | rgb(179, 200, 219) |
| HSL | hsl(208, 36%, 78%) |
| OKLCH | oklch(82.3% 0.035 245.5) |
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 #B3C8DB | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #B3C8DB | 12.20:1 | AAA | Lc 72.8 | Content text, not long reading |
| #B3C8DB text on white | 1.72:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #B3C8DB text on black | 12.20:1 | AAA | Lc -71.7 | 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
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300 (this color)
#B3C8DB
oklch(82.3% 0.035 245.5)
-
Step 400
400
#84A5C2
oklch(70.8% 0.056 245.2)
-
Step 500
500
#648EB3
oklch(63.1% 0.073 245.9)
-
Step 600
600
#4B789E
oklch(55.6% 0.077 245.3)
-
Step 700
700
#3C6588
oklch(49.2% 0.073 245.8)
-
Step 800
800
#32526E
oklch(42.6% 0.06 246.2)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#B3C8DB 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) | #C1C8DC | 0.018 |
| Deuteranopia (no green cones) | #BCC3DB | 0.017 |
| Tritanopia (no blue cones) | #A9CCCE | 0.028 |
| Achromatopsia (no color) | #C5C5C5 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3C8DB
#B3C8DB
oklch(82.3% 0.035 245.5)
- #D6C1AE
#D6C1AE
oklch(82.3% 0.035 64.5)
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 #B3C8DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.011
- Light Steel Blue #B0C4DE ΔE 0.014
- Cloudy Blue #ACC2D9 ΔE 0.019
- Silver #C0C0C0 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.040
- Light Grey Blue #9DBCD4 ΔE 0.045
- Celeste #A8DADC ΔE 0.049
Use #B3C8DB 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.