#B4C8FC
Closest named color: Light Periwinkle (#C1C6FC). oklch(83.6% 0.076 268.3), rgb(180, 200, 252).
Aa
Black text reads best on this color (12.60:1).
About this color
#B4C8FC is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.076 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.017 away. Black text reads best on it, at 12.60:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #B4C8FC |
| RGB | rgb(180, 200, 252) |
| HSL | hsl(223, 92%, 85%) |
| OKLCH | oklch(83.6% 0.076 268.3) |
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 #B4C8FC | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #B4C8FC | 12.60:1 | AAA | Lc 74.6 | Content text, not long reading |
| #B4C8FC text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #B4C8FC text on black | 12.60:1 | AAA | Lc -73.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300 (this color)
#B4C8FC
oklch(83.6% 0.076 268.3)
-
Step 400
400
#809DED
oklch(70.7% 0.122 268.1)
-
Step 500
500
#6282E7
oklch(63.1% 0.156 268.4)
-
Step 600
600
#4A69D5
oklch(55.6% 0.169 268.4)
-
Step 700
700
#3C57B9
oklch(49.2% 0.158 268.4)
-
Step 800
800
#314896
oklch(42.8% 0.131 268.1)
-
Step 900
900
#2B3D77
oklch(37.7% 0.101 268.3)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#B4C8FC 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) | #B8CCFE | 0.012 |
| Deuteranopia (no green cones) | #B2C6FB | 0.006 |
| Tritanopia (no blue cones) | #A1D2D9 | 0.069 |
| Achromatopsia (no color) | #C8C8C8 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4C8FC
#B4C8FC
oklch(83.6% 0.076 268.3)
- #DEC790
#DEC790
oklch(83.6% 0.076 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 #B4C8FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.017
- Baby Blue #A2CFFE ΔE 0.026
- Pastel Blue #A2BFFE ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Sky Blue #87CEFA ΔE 0.052
- Sky #82CAFC ΔE 0.056
Use #B4C8FC 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.