#B5BBE0
Closest named color: Light Steel Blue (#B0C4DE). oklch(80% 0.053 277.9), rgb(181, 187, 224).
Aa
Black text reads best on this color (11.14:1).
About this color
#B5BBE0 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.053 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.025 away. Black text reads best on it, at 11.14:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.14:1 |
| White text | 1.88:1 |
Values
| HEX | #B5BBE0 |
| RGB | rgb(181, 187, 224) |
| HSL | hsl(232, 41%, 79%) |
| OKLCH | oklch(80% 0.053 277.9) |
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 #B5BBE0 | 1.88:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #B5BBE0 | 11.14:1 | AAA | Lc 68.1 | Content text, not long reading |
| #B5BBE0 text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #B5BBE0 text on black | 11.14:1 | AAA | Lc -66.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300 (this color)
#B5BBE0
oklch(80% 0.053 277.9)
-
Step 400
400
#949CD5
oklch(70.8% 0.084 277.9)
-
Step 500
500
#7A82CA
oklch(63% 0.108 278)
-
Step 600
600
#646BB7
oklch(55.7% 0.117 277.9)
-
Step 700
700
#53599D
oklch(49.1% 0.108 277.8)
-
Step 800
800
#44497F
oklch(42.7% 0.089 277.9)
-
Step 900
900
#393D66
oklch(37.6% 0.07 278.2)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#B5BBE0 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) | #B1BEE2 | 0.009 |
| Deuteranopia (no green cones) | #AFBBDF | 0.008 |
| Tritanopia (no blue cones) | #ABC1C7 | 0.047 |
| Achromatopsia (no color) | #BDBDBD | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BBE0
#B5BBE0
oklch(80% 0.053 277.9)
- #C6BF98
#C6BF98
oklch(80% 0.053 99)
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 #B5BBE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.025
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.047
- French Gray #ADB5BD ΔE 0.051
Use #B5BBE0 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.