#B4CAEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.4% 0.054 259), rgb(180, 202, 236).
Aa
Black text reads best on this color (12.60:1).
About this color
#B4CAEC is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.054 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.014 away. Black text reads best on it, at 12.60:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #B4CAEC |
| RGB | rgb(180, 202, 236) |
| HSL | hsl(216, 60%, 82%) |
| OKLCH | oklch(83.4% 0.054 259) |
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 #B4CAEC | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #B4CAEC | 12.60:1 | AAA | Lc 74.5 | Content text, not long reading |
| #B4CAEC text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #B4CAEC text on black | 12.60:1 | AAA | Lc -73.5 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300 (this color)
#B4CAEC
oklch(83.4% 0.054 259)
-
Step 400
400
#80A2D6
oklch(70.7% 0.085 258.7)
-
Step 500
500
#608ACB
oklch(63.1% 0.109 258.9)
-
Step 600
600
#4773B8
oklch(55.6% 0.118 259.1)
-
Step 700
700
#38609F
oklch(49.1% 0.111 259.1)
-
Step 800
800
#2F4F81
oklch(42.8% 0.092 259)
-
Step 900
900
#2A4267
oklch(37.8% 0.07 258.8)
-
Step 950
950
#19273C
oklch(27.1% 0.044 258.3)
#B4CAEC 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) | #BFCBEE | 0.015 |
| Deuteranopia (no green cones) | #B9C6EB | 0.011 |
| Tritanopia (no blue cones) | #A5D1D5 | 0.047 |
| Achromatopsia (no color) | #C8C8C8 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4CAEC
#B4CAEC
oklch(83.4% 0.054 259)
- #DCC5A2
#DCC5A2
oklch(83.4% 0.054 78.3)
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 #B4CAEC, 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 0.023
- Baby Blue #A2CFFE ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Pastel Blue #A2BFFE ΔE 0.051
Use #B4CAEC 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.