#B1CAEA
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.1% 0.053 254.7), rgb(177, 202, 234).
Aa
Black text reads best on this color (12.50:1).
About this color
#B1CAEA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.053 and its hue 255°. 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 12.50:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.50:1 |
| White text | 1.67:1 |
Values
| HEX | #B1CAEA |
| RGB | rgb(177, 202, 234) |
| HSL | hsl(214, 58%, 81%) |
| OKLCH | oklch(83.1% 0.053 254.7) |
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 #B1CAEA | 1.67:1 | Fails | Lc -33.5 | Non-text elements, placeholder text |
| Black text on #B1CAEA | 12.50:1 | AAA | Lc 74.1 | Content text, not long reading |
| #B1CAEA text on white | 1.67:1 | Fails | Lc 29.7 | Dividers and decoration only |
| #B1CAEA text on black | 12.50:1 | AAA | Lc -73.1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300 (this color)
#B1CAEA
oklch(83.1% 0.053 254.7)
-
Step 400
400
#7DA3D5
oklch(70.7% 0.085 255.5)
-
Step 500
500
#5B8CC9
oklch(63.1% 0.107 254.6)
-
Step 600
600
#4075B6
oklch(55.6% 0.116 254.6)
-
Step 700
700
#31629D
oklch(49.1% 0.109 254.4)
-
Step 800
800
#2A507F
oklch(42.7% 0.09 254.8)
-
Step 900
900
#264366
oklch(37.8% 0.07 254.1)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#B1CAEA 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) | #BFCBEC | 0.019 |
| Deuteranopia (no green cones) | #B9C5E9 | 0.015 |
| Tritanopia (no blue cones) | #A2D1D4 | 0.046 |
| Achromatopsia (no color) | #C8C8C8 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CAEA
#B1CAEA
oklch(83.1% 0.053 254.7)
- #DCC3A2
#DCC3A2
oklch(83% 0.053 74.6)
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 #B1CAEA, 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 0.020
- Cloudy Blue #ACC2D9 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
Use #B1CAEA 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.