#BBC3DB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.9% 0.035 271), rgb(187, 195, 219).
Aa
Black text reads best on this color (11.94:1).
About this color
#BBC3DB is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.035 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.014 away. Black text reads best on it, at 11.94:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.94:1 |
| White text | 1.75:1 |
Values
| HEX | #BBC3DB |
| RGB | rgb(187, 195, 219) |
| HSL | hsl(225, 31%, 80%) |
| OKLCH | oklch(81.9% 0.035 271) |
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 #BBC3DB | 1.75:1 | Fails | Lc -36.1 | Non-text elements, placeholder text |
| Black text on #BBC3DB | 11.94:1 | AAA | Lc 71.7 | Content text, not long reading |
| #BBC3DB text on white | 1.75:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #BBC3DB text on black | 11.94:1 | AAA | Lc -70.5 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300 (this color)
#BBC3DB
oklch(81.9% 0.035 271)
-
Step 400
400
#939FC4
oklch(70.6% 0.056 270.9)
-
Step 500
500
#7987B5
oklch(63% 0.071 271.2)
-
Step 600
600
#6271A1
oklch(55.6% 0.077 270.5)
-
Step 700
700
#515E8A
oklch(49% 0.073 270.9)
-
Step 800
800
#434D70
oklch(42.7% 0.06 271.5)
-
Step 900
900
#38405B
oklch(37.6% 0.048 271.3)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#BBC3DB 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) | #BCC5DC | 0.005 |
| Deuteranopia (no green cones) | #BAC2DA | 0.003 |
| Tritanopia (no blue cones) | #B4C7CB | 0.030 |
| Achromatopsia (no color) | #C3C3C3 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBC3DB
#BBC3DB
oklch(81.9% 0.035 271)
- #CCC3AB
#CCC3AB
oklch(81.8% 0.034 89.9)
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 #BBC3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.020
- Silver #C0C0C0 ΔE 0.036
- Thistle #D8BFD8 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.047
Use #BBC3DB 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.