#B9CDFE
Closest named color: Light Periwinkle (#C1C6FC). oklch(85% 0.072 267.5), rgb(185, 205, 254).
Aa
Black text reads best on this color (13.22:1).
About this color
#B9CDFE is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.072 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.019 away. Black text reads best on it, at 13.22:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.22:1 |
| White text | 1.58:1 |
Values
| HEX | #B9CDFE |
| RGB | rgb(185, 205, 254) |
| HSL | hsl(223, 97%, 86%) |
| OKLCH | oklch(85% 0.072 267.5) |
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 #B9CDFE | 1.58:1 | Fails | Lc -30.1 | Non-text elements, placeholder text |
| Black text on #B9CDFE | 13.22:1 | AAA | Lc 77.2 | Fine for body text |
| #B9CDFE text on white | 1.58:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #B9CDFE text on black | 13.22:1 | AAA | Lc -76.4 | 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 200.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200 (this color)
#B9CDFE
oklch(85% 0.072 267.5)
-
Step 300
300
#A6BFFD
oklch(80.8% 0.092 267.4)
-
Step 400
400
#789BFD
oklch(70.7% 0.149 267.7)
-
Step 500
500
#577FFA
oklch(63.1% 0.189 267.3)
-
Step 600
600
#3F64EA
oklch(55.6% 0.207 267.4)
-
Step 700
700
#3252CB
oklch(49.1% 0.191 267.4)
-
Step 800
800
#2A44A4
oklch(42.7% 0.158 267.6)
-
Step 900
900
#253B82
oklch(37.8% 0.123 267.3)
-
Step 950
950
#16234C
oklch(27% 0.078 267.7)
#B9CDFE 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) | #BED0FF | 0.011 |
| Deuteranopia (no green cones) | #B8CAFD | 0.008 |
| Tritanopia (no blue cones) | #A7D7DD | 0.066 |
| Achromatopsia (no color) | #CDCDCD | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CDFE
#B9CDFE
oklch(85% 0.072 267.5)
- #E2CC98
#E2CC98
oklch(85.1% 0.072 87.7)
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 #B9CDFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.019
- Baby Blue #A2CFFE ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.050
- Light Lavender #DFC5FE ΔE 0.053
- Light Blue #ADD8E6 ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.057
Use #B9CDFE 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.