#B9C8FB
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.9% 0.073 272), rgb(185, 200, 251).
Aa
Black text reads best on this color (12.71:1).
About this color
#B9C8FB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.073 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.012 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #B9C8FB |
| RGB | rgb(185, 200, 251) |
| HSL | hsl(226, 89%, 85%) |
| OKLCH | oklch(83.9% 0.073 272) |
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 #B9C8FB | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #B9C8FB | 12.71:1 | AAA | Lc 75.0 | Fine for body text |
| #B9C8FB text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #B9C8FB text on black | 12.71:1 | AAA | Lc -74.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300 (this color)
#B9C8FB
oklch(83.9% 0.073 272)
-
Step 400
400
#879BEA
oklch(70.6% 0.118 272.3)
-
Step 500
500
#6B81E3
oklch(63.2% 0.149 272)
-
Step 600
600
#5468D1
oklch(55.6% 0.162 272)
-
Step 700
700
#4456B5
oklch(49.1% 0.151 271.7)
-
Step 800
800
#384793
oklch(42.8% 0.126 271.7)
-
Step 900
900
#303C75
oklch(37.7% 0.098 272)
-
Step 950
950
#1C2444
oklch(27.1% 0.06 271.3)
#B9C8FB 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) | #B9CCFD | 0.010 |
| Deuteranopia (no green cones) | #B4C7FA | 0.007 |
| Tritanopia (no blue cones) | #A8D2D9 | 0.067 |
| Achromatopsia (no color) | #C9C9C9 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9C8FB
#B9C8FB
oklch(83.9% 0.073 272)
- #DBC993
#DBC993
oklch(83.8% 0.073 91.8)
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 #B9C8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.012
- Baby Blue #A2CFFE ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.052
- Light Lavender #DFC5FE ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.058
Use #B9C8FB 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.