#BBC1DA
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.4% 0.036 274.9), rgb(187, 193, 218).
Aa
Black text reads best on this color (11.75:1).
About this color
#BBC1DA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.036 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.015 away. Black text reads best on it, at 11.75:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #BBC1DA |
| RGB | rgb(187, 193, 218) |
| HSL | hsl(228, 30%, 79%) |
| OKLCH | oklch(81.4% 0.036 274.9) |
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 #BBC1DA | 1.78:1 | Fails | Lc -37.1 | Non-text elements, placeholder text |
| Black text on #BBC1DA | 11.75:1 | AAA | Lc 70.8 | Content text, not long reading |
| #BBC1DA text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #BBC1DA text on black | 11.75:1 | AAA | Lc -69.6 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300 (this color)
#BBC1DA
oklch(81.4% 0.036 274.9)
-
Step 400
400
#969EC5
oklch(70.7% 0.058 275.8)
-
Step 500
500
#7C86B6
oklch(63% 0.073 275)
-
Step 600
600
#6570A2
oklch(55.7% 0.079 274.1)
-
Step 700
700
#545D8B
oklch(49.1% 0.075 274.9)
-
Step 800
800
#454C71
oklch(42.7% 0.062 275.3)
-
Step 900
900
#3A405B
oklch(37.8% 0.047 274.3)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#BBC1DA 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) | #BAC3DB | 0.005 |
| Deuteranopia (no green cones) | #B8C1D9 | 0.004 |
| Tritanopia (no blue cones) | #B4C5C9 | 0.032 |
| Achromatopsia (no color) | #C2C2C2 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC1DA
#BBC1DA
oklch(81.4% 0.036 274.9)
- #C9C2A9
#C9C2A9
oklch(81.3% 0.035 94.1)
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 #BBC1DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.015
- Cloudy Blue #ACC2D9 ΔE 0.020
- Light Blue Grey #B7C9E2 ΔE 0.021
- Silver #C0C0C0 ΔE 0.036
- Thistle #D8BFD8 ΔE 0.040
- Light Grey Blue #9DBCD4 ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.048
Use #BBC1DA 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.