#BBC5EC
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.056 273.8), rgb(187, 197, 236).
Aa
Black text reads best on this color (12.31:1).
About this color
#BBC5EC is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.056 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.021 away. Black text reads best on it, at 12.31:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #BBC5EC |
| RGB | rgb(187, 197, 236) |
| HSL | hsl(228, 56%, 83%) |
| OKLCH | oklch(82.9% 0.056 273.8) |
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 #BBC5EC | 1.70:1 | Fails | Lc -34.4 | Non-text elements, placeholder text |
| Black text on #BBC5EC | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #BBC5EC text on white | 1.70:1 | Fails | Lc 30.6 | Non-text elements, placeholder text |
| #BBC5EC text on black | 12.31:1 | AAA | Lc -72.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300 (this color)
#BBC5EC
oklch(82.9% 0.056 273.8)
-
Step 400
400
#8F9DD9
oklch(70.8% 0.089 273.8)
-
Step 500
500
#7483CE
oklch(63% 0.114 274.1)
-
Step 600
600
#5D6CBB
oklch(55.6% 0.124 273.6)
-
Step 700
700
#4D5AA1
oklch(49.2% 0.114 273.7)
-
Step 800
800
#3F4A83
oklch(42.8% 0.095 273.5)
-
Step 900
900
#353E69
oklch(37.7% 0.074 273.4)
-
Step 950
950
#1F243D
oklch(26.8% 0.047 274.2)
#BBC5EC 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) | #BAC8EE | 0.008 |
| Deuteranopia (no green cones) | #B7C4EB | 0.006 |
| Tritanopia (no blue cones) | #AFCCD2 | 0.050 |
| Achromatopsia (no color) | #C6C6C6 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC5EC
#BBC5EC
oklch(82.9% 0.056 273.8)
- #D3C79E
#D3C79E
oklch(82.9% 0.056 93.7)
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 #BBC5EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.021
- Light Periwinkle #C1C6FC ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.025
- Cloudy Blue #ACC2D9 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.039
- Thistle #D8BFD8 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.054
Use #BBC5EC 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.