#BBC9DF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.2% 0.034 259.4), rgb(187, 201, 223).
Aa
Black text reads best on this color (12.53:1).
About this color
#BBC9DF is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.034 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.006 away. Black text reads best on it, at 12.53:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.53:1 |
| White text | 1.67:1 |
Values
| HEX | #BBC9DF |
| RGB | rgb(187, 201, 223) |
| HSL | hsl(217, 36%, 80%) |
| OKLCH | oklch(83.2% 0.034 259.4) |
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 #BBC9DF | 1.67:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #BBC9DF | 12.53:1 | AAA | Lc 74.2 | Content text, not long reading |
| #BBC9DF text on white | 1.67:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #BBC9DF text on black | 12.53:1 | AAA | Lc -73.2 | 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
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300 (this color)
#BBC9DF
oklch(83.2% 0.034 259.4)
-
Step 400
400
#8CA2C4
oklch(70.7% 0.056 259)
-
Step 500
500
#708BB4
oklch(63.2% 0.069 258.6)
-
Step 600
600
#5874A0
oklch(55.6% 0.076 259.2)
-
Step 700
700
#486189
oklch(49% 0.071 259.6)
-
Step 800
800
#3B506F
oklch(42.8% 0.058 258)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#BBC9DF 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) | #C2CAE0 | 0.010 |
| Deuteranopia (no green cones) | #BEC6DE | 0.008 |
| Tritanopia (no blue cones) | #B2CDD0 | 0.030 |
| Achromatopsia (no color) | #C8C8C8 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC9DF
#BBC9DF
oklch(83.2% 0.034 259.4)
- #D4C6AF
#D4C6AF
oklch(83.2% 0.035 80.3)
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 #BBC9DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.006
- Light Steel Blue #B0C4DE ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.040
- Silver #C0C0C0 ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.042
- Thistle #D8BFD8 ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.046
Use #BBC9DF 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.