#B2B9EF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.9% 0.077 278.8), rgb(178, 185, 239).
Aa
Black text reads best on this color (11.07:1).
About this color
#B2B9EF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.077 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.028 away. Black text reads best on it, at 11.07:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #B2B9EF |
| RGB | rgb(178, 185, 239) |
| HSL | hsl(233, 66%, 82%) |
| OKLCH | oklch(79.9% 0.077 278.8) |
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 #B2B9EF | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #B2B9EF | 11.07:1 | AAA | Lc 67.8 | Content text, not long reading |
| #B2B9EF text on white | 1.89:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #B2B9EF text on black | 11.07:1 | AAA | Lc -66.4 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300 (this color)
#B2B9EF
oklch(79.9% 0.077 278.8)
-
Step 400
400
#9098EC
oklch(70.7% 0.123 278.6)
-
Step 500
500
#767CE6
oklch(63.1% 0.157 278.4)
-
Step 600
600
#6162D4
oklch(55.6% 0.171 278.9)
-
Step 700
700
#5051B8
oklch(49.2% 0.159 278.4)
-
Step 800
800
#424395
oklch(42.8% 0.131 278.8)
-
Step 900
900
#373976
oklch(37.6% 0.102 278.9)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#B2B9EF 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) | #AABFF1 | 0.017 |
| Deuteranopia (no green cones) | #A7BAEE | 0.015 |
| Tritanopia (no blue cones) | #A3C3CB | 0.069 |
| Achromatopsia (no color) | #BCBCBC | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2B9EF
#B2B9EF
oklch(79.9% 0.077 278.8)
- #CABF85
#CABF85
oklch(80% 0.077 98.7)
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 #B2B9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.028
- Light Periwinkle #C1C6FC ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.046
- Pale Violet #CEAEFA ΔE 0.052
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.053
Use #B2B9EF 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.