#B1BEE3
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.4% 0.054 269.9), rgb(177, 190, 227).
Aa
Black text reads best on this color (11.34:1).
About this color
#B1BEE3 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.054 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.020 away. Black text reads best on it, at 11.34:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.34:1 |
| White text | 1.85:1 |
Values
| HEX | #B1BEE3 |
| RGB | rgb(177, 190, 227) |
| HSL | hsl(224, 47%, 79%) |
| OKLCH | oklch(80.4% 0.054 269.9) |
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 #B1BEE3 | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #B1BEE3 | 11.34:1 | AAA | Lc 69.0 | Content text, not long reading |
| #B1BEE3 text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #B1BEE3 text on black | 11.34:1 | AAA | Lc -67.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF5
oklch(93.7% 0.015 270)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300 (this color)
#B1BEE3
oklch(80.4% 0.054 269.9)
-
Step 400
400
#8B9ED8
oklch(70.7% 0.088 270.1)
-
Step 500
500
#6F85CD
oklch(63% 0.112 270.1)
-
Step 600
600
#586EBA
oklch(55.6% 0.121 270)
-
Step 700
700
#485CA0
oklch(49.2% 0.112 269.6)
-
Step 800
800
#3B4B82
oklch(42.7% 0.094 269.9)
-
Step 900
900
#333F68
oklch(37.7% 0.072 270.3)
-
Step 950
950
#1E253D
oklch(27% 0.046 270.7)
#B1BEE3 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) | #B3C1E5 | 0.008 |
| Deuteranopia (no green cones) | #AFBCE2 | 0.006 |
| Tritanopia (no blue cones) | #A5C5CA | 0.049 |
| Achromatopsia (no color) | #BEBEBE | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1BEE3
#B1BEE3
oklch(80.4% 0.054 269.9)
- #CCBE97
#CCBE97
oklch(80.3% 0.055 90.6)
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 #B1BEE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.050
Use #B1BEE3 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.