#B4C8EB
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.054 261.6), rgb(180, 200, 235).
Aa
Black text reads best on this color (12.40:1).
About this color
#B4C8EB is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.054 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.40:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.40:1 |
| White text | 1.69:1 |
Values
| HEX | #B4C8EB |
| RGB | rgb(180, 200, 235) |
| HSL | hsl(218, 58%, 81%) |
| OKLCH | oklch(82.9% 0.054 261.6) |
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 #B4C8EB | 1.69:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #B4C8EB | 12.40:1 | AAA | Lc 73.7 | Content text, not long reading |
| #B4C8EB text on white | 1.69:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #B4C8EB text on black | 12.40:1 | AAA | Lc -72.6 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300 (this color)
#B4C8EB
oklch(82.9% 0.054 261.6)
-
Step 400
400
#83A1D7
oklch(70.7% 0.086 261.9)
-
Step 500
500
#6489CC
oklch(63.1% 0.11 261.7)
-
Step 600
600
#4B72B9
oklch(55.7% 0.119 261.5)
-
Step 700
700
#3C5F9F
oklch(49.1% 0.111 261.5)
-
Step 800
800
#324E81
oklch(42.8% 0.092 261.5)
-
Step 900
900
#2C4168
oklch(37.7% 0.072 262)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#B4C8EB 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) | #BDCAED | 0.013 |
| Deuteranopia (no green cones) | #B7C5EA | 0.008 |
| Tritanopia (no blue cones) | #A6CFD3 | 0.048 |
| Achromatopsia (no color) | #C7C7C7 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C8EB
#B4C8EB
oklch(82.9% 0.054 261.6)
- #D9C4A0
#D9C4A0
oklch(82.9% 0.054 81.1)
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 #B4C8EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
Use #B4C8EB 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.