#B3BFEB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81% 0.064 273), rgb(179, 191, 235).
Aa
Black text reads best on this color (11.56:1).
About this color
#B3BFEB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.064 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.027 away. Black text reads best on it, at 11.56:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.56:1 |
| White text | 1.81:1 |
Values
| HEX | #B3BFEB |
| RGB | rgb(179, 191, 235) |
| HSL | hsl(227, 58%, 81%) |
| OKLCH | oklch(81% 0.064 273) |
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 #B3BFEB | 1.81:1 | Fails | Lc -37.9 | Non-text elements, placeholder text |
| Black text on #B3BFEB | 11.56:1 | AAA | Lc 70.0 | Content text, not long reading |
| #B3BFEB text on white | 1.81:1 | Fails | Lc 33.8 | Non-text elements, placeholder text |
| #B3BFEB text on black | 11.56:1 | AAA | Lc -68.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300 (this color)
#B3BFEB
oklch(81% 0.064 273)
-
Step 400
400
#8B9CE0
oklch(70.6% 0.102 272.8)
-
Step 500
500
#7082D8
oklch(63.1% 0.131 273.2)
-
Step 600
600
#596AC5
oklch(55.6% 0.142 273)
-
Step 700
700
#4958AA
oklch(49.1% 0.131 272.9)
-
Step 800
800
#3C488A
oklch(42.6% 0.11 273.1)
-
Step 900
900
#333D6E
oklch(37.7% 0.085 273)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#B3BFEB 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) | #B2C3ED | 0.010 |
| Deuteranopia (no green cones) | #AEBEEA | 0.007 |
| Tritanopia (no blue cones) | #A5C7CE | 0.056 |
| Achromatopsia (no color) | #C0C0C0 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3BFEB
#B3BFEB
oklch(81% 0.064 273)
- #CFC192
#CFC192
oklch(81.1% 0.064 93.5)
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 #B3BFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.034
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.045
Use #B3BFEB 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.