#BBC9EC
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.7% 0.051 268.1), rgb(187, 201, 236).
Aa
Black text reads best on this color (12.67:1).
About this color
#BBC9EC is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.051 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.016 away. Black text reads best on it, at 12.67:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.67:1 |
| White text | 1.65:1 |
Values
| HEX | #BBC9EC |
| RGB | rgb(187, 201, 236) |
| HSL | hsl(223, 56%, 83%) |
| OKLCH | oklch(83.7% 0.051 268.1) |
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 #BBC9EC | 1.65:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #BBC9EC | 12.67:1 | AAA | Lc 74.8 | Content text, not long reading |
| #BBC9EC text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #BBC9EC text on black | 12.67:1 | AAA | Lc -73.9 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300 (this color)
#BBC9EC
oklch(83.7% 0.051 268.1)
-
Step 400
400
#8B9FD5
oklch(70.7% 0.083 268.6)
-
Step 500
500
#6E87C9
oklch(63.2% 0.104 267.6)
-
Step 600
600
#576FB6
oklch(55.6% 0.114 268.4)
-
Step 700
700
#475D9D
oklch(49.2% 0.106 268)
-
Step 800
800
#3A4C7F
oklch(42.7% 0.088 267.9)
-
Step 900
900
#324066
oklch(37.8% 0.068 267.7)
-
Step 950
950
#1D253C
oklch(26.9% 0.045 268.7)
#BBC9EC 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) | #BFCBEE | 0.008 |
| Deuteranopia (no green cones) | #BBC7EB | 0.005 |
| Tritanopia (no blue cones) | #AFD0D4 | 0.047 |
| Achromatopsia (no color) | #C9C9C9 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC9EC
#BBC9EC
oklch(83.7% 0.051 268.1)
- #D7C8A4
#D7C8A4
oklch(83.6% 0.051 88.1)
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 #BBC9EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Periwinkle #C1C6FC ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.046
- Thistle #D8BFD8 ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.052
Use #BBC9EC 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.