#B1CFEC
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.2% 0.052 247.5), rgb(177, 207, 236).
Aa
Black text reads best on this color (13.00:1).
About this color
#B1CFEC is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.052 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 13.00:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.00:1 |
| White text | 1.61:1 |
Values
| HEX | #B1CFEC |
| RGB | rgb(177, 207, 236) |
| HSL | hsl(209, 61%, 81%) |
| OKLCH | oklch(84.2% 0.052 247.5) |
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 #B1CFEC | 1.61:1 | Fails | Lc -31.1 | Non-text elements, placeholder text |
| Black text on #B1CFEC | 13.00:1 | AAA | Lc 76.2 | Fine for body text |
| #B1CFEC text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #B1CFEC text on black | 13.00:1 | AAA | Lc -75.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300 (this color)
#B1CFEC
oklch(84.2% 0.052 247.5)
-
Step 400
400
#76A6D2
oklch(70.8% 0.083 246.9)
-
Step 500
500
#518FC6
oklch(63.2% 0.105 247.1)
-
Step 600
600
#3378B3
oklch(55.7% 0.115 247.5)
-
Step 700
700
#24659A
oklch(49.2% 0.107 247.1)
-
Step 800
800
#20527D
oklch(42.7% 0.089 247.7)
-
Step 900
900
#204464
oklch(37.6% 0.069 247.6)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#B1CFEC 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) | #C4CFED | 0.024 |
| Deuteranopia (no green cones) | #BDC9EB | 0.020 |
| Tritanopia (no blue cones) | #A1D6D8 | 0.044 |
| Achromatopsia (no color) | #CBCBCB | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1CFEC
#B1CFEC
oklch(84.2% 0.052 247.5)
- #E3C5A8
#E3C5A8
oklch(84.2% 0.052 66.1)
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 #B1CFEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.043
- Celeste #A8DADC ΔE 0.044
- Sky Blue #87CEEB ΔE 0.047
Use #B1CFEC 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.