#BBC9DD
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.1% 0.032 257.2), rgb(187, 201, 221).
Aa
Black text reads best on this color (12.51:1).
About this color
#BBC9DD is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.032 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.008 away. Black text reads best on it, at 12.51:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.51:1 |
| White text | 1.67:1 |
Values
| HEX | #BBC9DD |
| RGB | rgb(187, 201, 221) |
| HSL | hsl(215, 33%, 80%) |
| OKLCH | oklch(83.1% 0.032 257.2) |
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 #BBC9DD | 1.67:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #BBC9DD | 12.51:1 | AAA | Lc 74.1 | Content text, not long reading |
| #BBC9DD text on white | 1.67:1 | Fails | Lc 29.7 | Dividers and decoration only |
| #BBC9DD text on black | 12.51:1 | AAA | Lc -73.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300 (this color)
#BBC9DD
oklch(83.1% 0.032 257.2)
-
Step 400
400
#8DA2C1
oklch(70.7% 0.051 258)
-
Step 500
500
#708BB1
oklch(63% 0.065 257)
-
Step 600
600
#59759D
oklch(55.7% 0.071 257.3)
-
Step 700
700
#486286
oklch(49.1% 0.066 256.6)
-
Step 800
800
#3C506D
oklch(42.7% 0.055 257.6)
-
Step 900
900
#334258
oklch(37.6% 0.043 257.8)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#BBC9DD 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) | #C2CADE | 0.010 |
| Deuteranopia (no green cones) | #BFC6DD | 0.009 |
| Tritanopia (no blue cones) | #B3CDCF | 0.028 |
| Achromatopsia (no color) | #C8C8C8 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC9DD
#BBC9DD
oklch(83.1% 0.032 257.2)
- #D4C6B1
#D4C6B1
oklch(83.2% 0.033 78.1)
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 #BBC9DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.008
- Light Steel Blue #B0C4DE ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.039
- Silver #C0C0C0 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.042
- Thistle #D8BFD8 ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.048
Use #BBC9DD 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.