#B9BDDA
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.5% 0.041 279.2), rgb(185, 189, 218).
Aa
Black text reads best on this color (11.35:1).
About this color
#B9BDDA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.041 and its hue 279°. 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 11.35:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.35:1 |
| White text | 1.84:1 |
Values
| HEX | #B9BDDA |
| RGB | rgb(185, 189, 218) |
| HSL | hsl(233, 31%, 79%) |
| OKLCH | oklch(80.5% 0.041 279.2) |
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 #B9BDDA | 1.84:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #B9BDDA | 11.35:1 | AAA | Lc 69.1 | Content text, not long reading |
| #B9BDDA text on white | 1.84:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #B9BDDA text on black | 11.35:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300 (this color)
#B9BDDA
oklch(80.5% 0.041 279.2)
-
Step 400
400
#979DCA
oklch(70.7% 0.066 278.6)
-
Step 500
500
#7E84BC
oklch(63% 0.084 279)
-
Step 600
600
#686DA8
oklch(55.6% 0.091 279.3)
-
Step 700
700
#575B90
oklch(49.1% 0.085 279.5)
-
Step 800
800
#474B75
oklch(42.8% 0.07 278.9)
-
Step 900
900
#3B3E5E
oklch(37.6% 0.055 279.3)
-
Step 950
950
#232537
oklch(27.1% 0.034 279)
#B9BDDA 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) | #B6C0DB | 0.008 |
| Deuteranopia (no green cones) | #B4BDD9 | 0.007 |
| Tritanopia (no blue cones) | #B2C2C6 | 0.037 |
| Achromatopsia (no color) | #BEBEBE | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BDDA
#B9BDDA
oklch(80.5% 0.041 279.2)
- #C5C0A2
#C5C0A2
oklch(80.4% 0.041 99.4)
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 #B9BDDA, 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 0.021
- Light Blue Grey #B7C9E2 ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.038
- Silver #C0C0C0 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Thistle #D8BFD8 ΔE 0.044
- French Gray #ADB5BD ΔE 0.046
Use #B9BDDA 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.