#B9CAFA
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.2% 0.07 269.6), rgb(185, 202, 250).
Aa
Black text reads best on this color (12.89:1).
About this color
#B9CAFA is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.070 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.015 away. Black text reads best on it, at 12.89:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.89:1 |
| White text | 1.62:1 |
Values
| HEX | #B9CAFA |
| RGB | rgb(185, 202, 250) |
| HSL | hsl(224, 87%, 85%) |
| OKLCH | oklch(84.2% 0.07 269.6) |
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 #B9CAFA | 1.62:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #B9CAFA | 12.89:1 | AAA | Lc 75.8 | Fine for body text |
| #B9CAFA text on white | 1.62:1 | Fails | Lc 28.0 | Dividers and decoration only |
| #B9CAFA text on black | 12.89:1 | AAA | Lc -74.9 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F4
oklch(88.6% 0.039 269.4)
-
Step 300
300 (this color)
#B9CAFA
oklch(84.2% 0.07 269.6)
-
Step 400
400
#859DE7
oklch(70.7% 0.112 269.7)
-
Step 500
500
#6783DF
oklch(63.1% 0.142 269.3)
-
Step 600
600
#506ACD
oklch(55.5% 0.155 269.7)
-
Step 700
700
#4158B2
oklch(49.1% 0.145 269.6)
-
Step 800
800
#364890
oklch(42.7% 0.12 270.1)
-
Step 900
900
#2E3D73
oklch(37.6% 0.094 269.8)
-
Step 950
950
#1B2443
oklch(26.9% 0.059 269.9)
#B9CAFA 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) | #BBCEFC | 0.011 |
| Deuteranopia (no green cones) | #B6C8F9 | 0.007 |
| Tritanopia (no blue cones) | #A8D3DA | 0.063 |
| Achromatopsia (no color) | #CBCBCB | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9CAFA
#B9CAFA
oklch(84.2% 0.07 269.6)
- #DDCA97
#DDCA97
oklch(84.2% 0.07 90)
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 #B9CAFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.015
- Baby Blue #A2CFFE ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Lavender #DFC5FE ΔE 0.053
- Light Blue #ADD8E6 ΔE 0.055
Use #B9CAFA 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.