#BBC3D9
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.8% 0.032 269.8), rgb(187, 195, 217).
Aa
Black text reads best on this color (11.92:1).
About this color
#BBC3D9 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.032 and its hue 270°. 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 11.92:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.92:1 |
| White text | 1.76:1 |
Values
| HEX | #BBC3D9 |
| RGB | rgb(187, 195, 217) |
| HSL | hsl(224, 28%, 79%) |
| OKLCH | oklch(81.8% 0.032 269.8) |
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 #BBC3D9 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #BBC3D9 | 11.92:1 | AAA | Lc 71.6 | Content text, not long reading |
| #BBC3D9 text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #BBC3D9 text on black | 11.92:1 | AAA | Lc -70.4 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300 (this color)
#BBC3D9
oklch(81.8% 0.032 269.8)
-
Step 400
400
#94A0C2
oklch(70.8% 0.052 269.8)
-
Step 500
500
#7A88B2
oklch(63.1% 0.066 270.2)
-
Step 600
600
#63719E
oklch(55.5% 0.072 270.6)
-
Step 700
700
#525F87
oklch(49.1% 0.066 270)
-
Step 800
800
#434E6E
oklch(42.8% 0.055 269.4)
-
Step 900
900
#384159
oklch(37.8% 0.043 268.4)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#BBC3D9 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) | #BDC4DA | 0.004 |
| Deuteranopia (no green cones) | #BBC2D8 | 0.003 |
| Tritanopia (no blue cones) | #B4C7CA | 0.029 |
| Achromatopsia (no color) | #C3C3C3 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC3D9
#BBC3D9
oklch(81.8% 0.032 269.8)
- #CBC3AC
#CBC3AC
oklch(81.8% 0.033 91.1)
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 #BBC3D9, 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
- Light Blue Grey #B7C9E2 ΔE 0.017
- Cloudy Blue #ACC2D9 ΔE 0.020
- Silver #C0C0C0 ΔE 0.034
- Thistle #D8BFD8 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.050
Use #BBC3D9 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.