#B5BFE3
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.9% 0.052 273), rgb(181, 191, 227).
Aa
Black text reads best on this color (11.52:1).
About this color
#B5BFE3 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.052 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.018 away. Black text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #B5BFE3 |
| RGB | rgb(181, 191, 227) |
| HSL | hsl(227, 45%, 80%) |
| OKLCH | oklch(80.9% 0.052 273) |
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 #B5BFE3 | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #B5BFE3 | 11.52:1 | AAA | Lc 69.8 | Content text, not long reading |
| #B5BFE3 text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #B5BFE3 text on black | 11.52:1 | AAA | Lc -68.6 | 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
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D2D8ED
oklch(88.4% 0.03 273.1)
-
Step 300
300 (this color)
#B5BFE3
oklch(80.9% 0.052 273)
-
Step 400
400
#8F9DD5
oklch(70.6% 0.084 273.3)
-
Step 500
500
#7484CA
oklch(63% 0.107 273.2)
-
Step 600
600
#5D6DB7
oklch(55.6% 0.116 272.9)
-
Step 700
700
#4D5B9D
oklch(49.1% 0.107 272.9)
-
Step 800
800
#3F4A7F
oklch(42.6% 0.089 273.2)
-
Step 900
900
#353E66
oklch(37.5% 0.07 273)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#B5BFE3 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) | #B5C2E5 | 0.008 |
| Deuteranopia (no green cones) | #B2BEE2 | 0.005 |
| Tritanopia (no blue cones) | #AAC6CB | 0.047 |
| Achromatopsia (no color) | #C0C0C0 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5BFE3
#B5BFE3
oklch(80.9% 0.052 273)
- #CCC09B
#CCC09B
oklch(80.8% 0.052 92.2)
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 #B5BFE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.018
- Cloudy Blue #ACC2D9 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.050
Use #B5BFE3 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.