#B4CDF3
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.2% 0.06 258.7), rgb(180, 205, 243).
Aa
Black text reads best on this color (12.96:1).
About this color
#B4CDF3 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.060 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.023 away. Black text reads best on it, at 12.96:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #B4CDF3 |
| RGB | rgb(180, 205, 243) |
| HSL | hsl(216, 72%, 83%) |
| OKLCH | oklch(84.2% 0.06 258.7) |
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 #B4CDF3 | 1.61:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #B4CDF3 | 12.96:1 | AAA | Lc 76.1 | Fine for body text |
| #B4CDF3 text on white | 1.61:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #B4CDF3 text on black | 12.96:1 | AAA | Lc -75.2 | Fine for body text |
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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF0
oklch(88.5% 0.034 259.4)
-
Step 300
300 (this color)
#B4CDF3
oklch(84.2% 0.06 258.7)
-
Step 400
400
#7CA2DC
oklch(70.7% 0.095 258.6)
-
Step 500
500
#5A8AD3
oklch(63.2% 0.122 258.5)
-
Step 600
600
#3F72C0
oklch(55.5% 0.134 258.7)
-
Step 700
700
#315FA6
oklch(49% 0.125 258.9)
-
Step 800
800
#2A4E86
oklch(42.7% 0.102 259)
-
Step 900
900
#26416B
oklch(37.6% 0.08 258.9)
-
Step 950
950
#17273F
oklch(27.2% 0.05 258.3)
#B4CDF3 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) | #C0CFF5 | 0.017 |
| Deuteranopia (no green cones) | #BAC9F2 | 0.012 |
| Tritanopia (no blue cones) | #A3D5D9 | 0.053 |
| Achromatopsia (no color) | #CBCBCB | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CDF3
#B4CDF3
oklch(84.2% 0.06 258.7)
- #E1C7A0
#E1C7A0
oklch(84.2% 0.06 77.8)
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 #B4CDF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.024
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.051
Use #B4CDF3 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.