#BBC0EC
Closest named color: Light Periwinkle (#C1C6FC). oklch(81.9% 0.062 279.8), rgb(187, 192, 236).
Aa
Black text reads best on this color (11.86:1).
About this color
#BBC0EC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.062 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.026 away. Black text reads best on it, at 11.86:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 11.86:1 |
| White text | 1.77:1 |
Values
| HEX | #BBC0EC |
| RGB | rgb(187, 192, 236) |
| HSL | hsl(234, 56%, 83%) |
| OKLCH | oklch(81.9% 0.062 279.8) |
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 #BBC0EC | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #BBC0EC | 11.86:1 | AAA | Lc 71.3 | Content text, not long reading |
| #BBC0EC text on white | 1.77:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #BBC0EC text on black | 11.86:1 | AAA | Lc -70.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300 (this color)
#BBC0EC
oklch(81.9% 0.062 279.8)
-
Step 400
400
#949ADE
oklch(70.8% 0.099 279.6)
-
Step 500
500
#7B7FD4
oklch(63% 0.127 280.1)
-
Step 600
600
#6567C2
oklch(55.6% 0.139 279.9)
-
Step 700
700
#5455A7
oklch(49% 0.128 280)
-
Step 800
800
#454687
oklch(42.7% 0.106 280.3)
-
Step 900
900
#393B6C
oklch(37.6% 0.083 279.8)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#BBC0EC 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) | #B4C4EE | 0.013 |
| Deuteranopia (no green cones) | #B2C1EB | 0.012 |
| Tritanopia (no blue cones) | #B0C8CF | 0.055 |
| Achromatopsia (no color) | #C3C3C3 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC0EC
#BBC0EC
oklch(81.9% 0.062 279.8)
- #CDC597
#CDC597
oklch(81.9% 0.062 99.3)
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 #BBC0EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.046
- Thistle #D8BFD8 ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.054
Use #BBC0EC 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.