#B1BEEF
Closest named color: Pastel Blue (#A2BFFE). oklch(80.8% 0.071 273.1), rgb(177, 190, 239).
Aa
Black text reads best on this color (11.48:1).
About this color
#B1BEEF is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.071 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 11.48:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.48:1 |
| White text | 1.82:1 |
Values
| HEX | #B1BEEF |
| RGB | rgb(177, 190, 239) |
| HSL | hsl(227, 66%, 82%) |
| OKLCH | oklch(80.8% 0.071 273.1) |
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 #B1BEEF | 1.82:1 | Fails | Lc -38.3 | Non-text elements, placeholder text |
| Black text on #B1BEEF | 11.48:1 | AAA | Lc 69.6 | Content text, not long reading |
| #B1BEEF text on white | 1.82:1 | Fails | Lc 34.2 | Non-text elements, placeholder text |
| #B1BEEF text on black | 11.48:1 | AAA | Lc -68.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300 (this color)
#B1BEEF
oklch(80.8% 0.071 273.1)
-
Step 400
400
#899BE7
oklch(70.6% 0.113 273)
-
Step 500
500
#6E81E0
oklch(63.2% 0.144 273.1)
-
Step 600
600
#5768CE
oklch(55.6% 0.157 273.1)
-
Step 700
700
#4756B2
oklch(49.1% 0.146 272.9)
-
Step 800
800
#3B4790
oklch(42.8% 0.12 273.2)
-
Step 900
900
#323C73
oklch(37.7% 0.094 273.3)
-
Step 950
950
#1D2443
oklch(27.1% 0.058 272.4)
#B1BEEF 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) | #B0C2F1 | 0.010 |
| Deuteranopia (no green cones) | #ABBDEE | 0.009 |
| Tritanopia (no blue cones) | #A1C7CE | 0.064 |
| Achromatopsia (no color) | #C0C0C0 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BEEF
#B1BEEF
oklch(80.8% 0.071 273.1)
- #D0C08C
#D0C08C
oklch(80.9% 0.071 93)
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 #B1BEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.033
- Light Periwinkle #C1C6FC ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.048
Use #B1BEEF 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.