#B4BFEB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.1% 0.063 273.9), rgb(180, 191, 235).
Aa
Black text reads best on this color (11.59:1).
About this color
#B4BFEB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.063 and its hue 274°. 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 11.59:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.59:1 |
| White text | 1.81:1 |
Values
| HEX | #B4BFEB |
| RGB | rgb(180, 191, 235) |
| HSL | hsl(228, 58%, 81%) |
| OKLCH | oklch(81.1% 0.063 273.9) |
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 #B4BFEB | 1.81:1 | Fails | Lc -37.8 | Non-text elements, placeholder text |
| Black text on #B4BFEB | 11.59:1 | AAA | Lc 70.1 | Content text, not long reading |
| #B4BFEB text on white | 1.81:1 | Fails | Lc 33.7 | Non-text elements, placeholder text |
| #B4BFEB text on black | 11.59:1 | AAA | Lc -68.9 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300 (this color)
#B4BFEB
oklch(81.1% 0.063 273.9)
-
Step 400
400
#8D9CE0
oklch(70.8% 0.101 274)
-
Step 500
500
#7282D7
oklch(63.1% 0.129 274.1)
-
Step 600
600
#5B6AC5
oklch(55.7% 0.141 273.9)
-
Step 700
700
#4B58AA
oklch(49.2% 0.131 273.8)
-
Step 800
800
#3D488A
oklch(42.7% 0.109 273.8)
-
Step 900
900
#343D6E
oklch(37.7% 0.084 273.8)
-
Step 950
950
#1E2440
oklch(27% 0.053 273.2)
#B4BFEB 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) | #AFBEEA | 0.007 |
| Tritanopia (no blue cones) | #A7C7CE | 0.056 |
| Achromatopsia (no color) | #C0C0C0 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4BFEB
#B4BFEB
oklch(81.1% 0.063 273.9)
- #CFC193
#CFC193
oklch(81.1% 0.063 93.2)
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 #B4BFEB, 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 0.032
- Light Periwinkle #C1C6FC ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.034
- Pastel Blue #A2BFFE ΔE 0.034
- Baby Blue #A2CFFE ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
Use #B4BFEB 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.