#B3BCDE
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.9% 0.049 273.6), rgb(179, 188, 222).
Aa
Black text reads best on this color (11.16:1).
About this color
#B3BCDE is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.049 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.021 away. Black text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #B3BCDE |
| RGB | rgb(179, 188, 222) |
| HSL | hsl(227, 39%, 79%) |
| OKLCH | oklch(79.9% 0.049 273.6) |
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 #B3BCDE | 1.88:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #B3BCDE | 11.16:1 | AAA | Lc 68.2 | Content text, not long reading |
| #B3BCDE text on white | 1.88:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #B3BCDE text on black | 11.16:1 | 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
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300 (this color)
#B3BCDE
oklch(79.9% 0.049 273.6)
-
Step 400
400
#919ED2
oklch(70.8% 0.078 273.4)
-
Step 500
500
#7685C6
oklch(63.1% 0.1 273.3)
-
Step 600
600
#5F6DB3
oklch(55.5% 0.11 273.7)
-
Step 700
700
#4F5B9A
oklch(49.1% 0.102 273.9)
-
Step 800
800
#404B7D
oklch(42.7% 0.084 273)
-
Step 900
900
#363F64
oklch(37.7% 0.065 272.6)
-
Step 950
950
#20253B
oklch(27.1% 0.042 273.5)
#B3BCDE 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) | #B3BFE0 | 0.008 |
| Deuteranopia (no green cones) | #B0BBDD | 0.005 |
| Tritanopia (no blue cones) | #A9C2C7 | 0.044 |
| Achromatopsia (no color) | #BDBDBD | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BCDE
#B3BCDE
oklch(79.9% 0.049 273.6)
- #C8BE9A
#C8BE9A
oklch(80% 0.05 94.3)
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 #B3BCDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.021
- Light Steel Blue #B0C4DE ΔE 0.021
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.037
- French Gray #ADB5BD ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.050
Use #B3BCDE 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.