#B3BFDD
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.5% 0.044 268.1), rgb(179, 191, 221).
Aa
Black text reads best on this color (11.41:1).
About this color
#B3BFDD is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.044 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.013 away. Black text reads best on it, at 11.41:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.41:1 |
| White text | 1.83:1 |
Values
| HEX | #B3BFDD |
| RGB | rgb(179, 191, 221) |
| HSL | hsl(223, 38%, 78%) |
| OKLCH | oklch(80.5% 0.044 268.1) |
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 #B3BFDD | 1.83:1 | Fails | Lc -38.7 | Non-text elements, placeholder text |
| Black text on #B3BFDD | 11.41:1 | AAA | Lc 69.3 | Content text, not long reading |
| #B3BFDD text on white | 1.83:1 | Fails | Lc 34.5 | Non-text elements, placeholder text |
| #B3BFDD text on black | 11.41:1 | AAA | Lc -68.0 | 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300 (this color)
#B3BFDD
oklch(80.5% 0.044 268.1)
-
Step 400
400
#8E9FCE
oklch(70.6% 0.072 269.1)
-
Step 500
500
#7287C1
oklch(63% 0.091 268.5)
-
Step 600
600
#5A70AD
oklch(55.5% 0.099 268)
-
Step 700
700
#4A5E95
oklch(49.1% 0.092 267.8)
-
Step 800
800
#3D4D79
oklch(42.7% 0.076 267.9)
-
Step 900
900
#344061
oklch(37.6% 0.059 268.2)
-
Step 950
950
#1F2639
oklch(27.1% 0.037 268.4)
#B3BFDD 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) | #B6C1DE | 0.007 |
| Deuteranopia (no green cones) | #B3BDDC | 0.005 |
| Tritanopia (no blue cones) | #A9C5C9 | 0.040 |
| Achromatopsia (no color) | #BFBFBF | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BFDD
#B3BFDD
oklch(80.5% 0.044 268.1)
- #CBBE9F
#CBBE9F
oklch(80.4% 0.044 88)
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 #B3BFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.013
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Silver #C0C0C0 ΔE 0.045
- French Gray #ADB5BD ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.049
Use #B3BFDD 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.