#B4CBEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.7% 0.055 258.7), rgb(180, 203, 238).
Aa
Black text reads best on this color (12.71:1).
About this color
#B4CBEE is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.055 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.016 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #B4CBEE |
| RGB | rgb(180, 203, 238) |
| HSL | hsl(216, 63%, 82%) |
| OKLCH | oklch(83.7% 0.055 258.7) |
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 #B4CBEE | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #B4CBEE | 12.71:1 | AAA | Lc 75.0 | Fine for body text |
| #B4CBEE text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #B4CBEE text on black | 12.71:1 | AAA | Lc -74.1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300 (this color)
#B4CBEE
oklch(83.7% 0.055 258.7)
-
Step 400
400
#7FA2D8
oklch(70.7% 0.089 258.9)
-
Step 500
500
#5E8ACD
oklch(63.1% 0.113 258.6)
-
Step 600
600
#4473BA
oklch(55.6% 0.122 258.4)
-
Step 700
700
#3660A0
oklch(49.1% 0.113 258.6)
-
Step 800
800
#2D4F82
oklch(42.8% 0.094 258.3)
-
Step 900
900
#284268
oklch(37.7% 0.073 257.8)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#B4CBEE 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) | #BFCCF0 | 0.015 |
| Deuteranopia (no green cones) | #B9C7ED | 0.011 |
| Tritanopia (no blue cones) | #A5D2D6 | 0.048 |
| Achromatopsia (no color) | #C9C9C9 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CBEE
#B4CBEE
oklch(83.7% 0.055 258.7)
- #DDC6A1
#DDC6A1
oklch(83.7% 0.056 79.6)
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 #B4CBEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.026
- Baby Blue #A2CFFE ΔE 0.028
- Light Periwinkle #C1C6FC ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.051
Use #B4CBEE 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.