#B4CBEB
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.5% 0.051 256.7), rgb(180, 203, 235).
Aa
Black text reads best on this color (12.68:1).
About this color
#B4CBEB is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.051 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.012 away. Black text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.68:1 |
| White text | 1.65:1 |
Values
| HEX | #B4CBEB |
| RGB | rgb(180, 203, 235) |
| HSL | hsl(215, 58%, 81%) |
| OKLCH | oklch(83.5% 0.051 256.7) |
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 #B4CBEB | 1.65:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #B4CBEB | 12.68:1 | AAA | Lc 74.9 | Content text, not long reading |
| #B4CBEB text on white | 1.65:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #B4CBEB text on black | 12.68:1 | AAA | Lc -73.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300 (this color)
#B4CBEB
oklch(83.5% 0.051 256.7)
-
Step 400
400
#7FA3D4
oklch(70.7% 0.082 256.2)
-
Step 500
500
#5F8BC8
oklch(63.1% 0.105 256.7)
-
Step 600
600
#4574B5
oklch(55.6% 0.114 256.8)
-
Step 700
700
#36619C
oklch(49.1% 0.107 256.7)
-
Step 800
800
#2D4F7E
oklch(42.5% 0.088 256.8)
-
Step 900
900
#294266
oklch(37.7% 0.069 257.5)
-
Step 950
950
#18273B
oklch(27% 0.043 255.9)
#B4CBEB 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) | #C0CCED | 0.016 |
| Deuteranopia (no green cones) | #BAC7EA | 0.012 |
| Tritanopia (no blue cones) | #A5D2D5 | 0.046 |
| Achromatopsia (no color) | #C9C9C9 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CBEB
#B4CBEB
oklch(83.5% 0.051 256.7)
- #DCC5A4
#DCC5A4
oklch(83.4% 0.051 76.8)
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 #B4CBEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.012
- Light Steel Blue #B0C4DE ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.038
- Sky Blue #87CEEB ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.051
Use #B4CBEB 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.