#B9CBFB
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.5% 0.07 268.8), rgb(185, 203, 251).
Aa
Black text reads best on this color (12.99:1).
About this color
#B9CBFB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.070 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.016 away. Black text reads best on it, at 12.99:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.99:1 |
| White text | 1.61:1 |
Values
| HEX | #B9CBFB |
| RGB | rgb(185, 203, 251) |
| HSL | hsl(224, 89%, 85%) |
| OKLCH | oklch(84.5% 0.07 268.8) |
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 #B9CBFB | 1.61:1 | Fails | Lc -31.1 | Non-text elements, placeholder text |
| Black text on #B9CBFB | 12.99:1 | AAA | Lc 76.2 | Fine for body text |
| #B9CBFB text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #B9CBFB text on black | 12.99:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F4
oklch(88.5% 0.039 267.9)
-
Step 300
300 (this color)
#B9CBFB
oklch(84.5% 0.07 268.8)
-
Step 400
400
#849DE7
oklch(70.7% 0.112 269.2)
-
Step 500
500
#6683E0
oklch(63.1% 0.144 269)
-
Step 600
600
#4E6BCE
oklch(55.7% 0.156 268.7)
-
Step 700
700
#3F58B2
oklch(49% 0.146 268.8)
-
Step 800
800
#344990
oklch(42.8% 0.12 268.6)
-
Step 900
900
#2D3E73
oklch(37.8% 0.093 268.3)
-
Step 950
950
#1A2443
oklch(26.9% 0.06 268.7)
#B9CBFB 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) | #BCCFFD | 0.011 |
| Deuteranopia (no green cones) | #B7C9FA | 0.006 |
| Tritanopia (no blue cones) | #A8D4DB | 0.062 |
| Achromatopsia (no color) | #CBCBCB | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CBFB
#B9CBFB
oklch(84.5% 0.07 268.8)
- #DFCA98
#DFCA98
oklch(84.4% 0.07 87.9)
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 #B9CBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.016
- Baby Blue #A2CFFE ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.053
- Light Lavender #DFC5FE ΔE 0.053
- Light Blue #ADD8E6 ΔE 0.054
Use #B9CBFB 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.