#B4C8DC
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.4% 0.036 248.3), rgb(180, 200, 220).
Aa
Black text reads best on this color (12.23:1).
About this color
#B4C8DC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.036 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.010 away. Black text reads best on it, at 12.23:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #B4C8DC |
| RGB | rgb(180, 200, 220) |
| HSL | hsl(210, 36%, 78%) |
| OKLCH | oklch(82.4% 0.036 248.3) |
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 #B4C8DC | 1.71:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #B4C8DC | 12.23:1 | AAA | Lc 72.9 | Content text, not long reading |
| #B4C8DC text on white | 1.71:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #B4C8DC text on black | 12.23:1 | AAA | Lc -71.9 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300 (this color)
#B4C8DC
oklch(82.4% 0.036 248.3)
-
Step 400
400
#85A4C3
oklch(70.6% 0.057 248.6)
-
Step 500
500
#668EB4
oklch(63.2% 0.073 247.8)
-
Step 600
600
#4D77A0
oklch(55.6% 0.08 248.9)
-
Step 700
700
#3D6489
oklch(49.1% 0.074 248.3)
-
Step 800
800
#33526F
oklch(42.8% 0.061 247.8)
-
Step 900
900
#2D445A
oklch(37.8% 0.048 248.1)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#B4C8DC 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) | #C1C8DD | 0.017 |
| Deuteranopia (no green cones) | #BCC4DC | 0.014 |
| Tritanopia (no blue cones) | #AACDCE | 0.031 |
| Achromatopsia (no color) | #C6C6C6 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C8DC
#B4C8DC
oklch(82.4% 0.036 248.3)
- #D5C2AD
#D5C2AD
oklch(82.4% 0.036 70.1)
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 #B4C8DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.010
- Light Steel Blue #B0C4DE ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.020
- Silver #C0C0C0 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.048
Use #B4C8DC 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.