#B3CBDE
Closest named color: Light Blue Grey (#B7C9E2). oklch(83% 0.037 241.9), rgb(179, 203, 222).
Aa
Black text reads best on this color (12.51:1).
About this color
#B3CBDE is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.037 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.010 away. Black text reads best on it, at 12.51:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.51:1 |
| White text | 1.67:1 |
Values
| HEX | #B3CBDE |
| RGB | rgb(179, 203, 222) |
| HSL | hsl(207, 39%, 79%) |
| OKLCH | oklch(83% 0.037 241.9) |
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 #B3CBDE | 1.67:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #B3CBDE | 12.51:1 | AAA | Lc 74.1 | Content text, not long reading |
| #B3CBDE text on white | 1.67:1 | Fails | Lc 29.7 | Dividers and decoration only |
| #B3CBDE text on black | 12.51:1 | AAA | Lc -73.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300 (this color)
#B3CBDE
oklch(83% 0.037 241.9)
-
Step 400
400
#80A6C3
oklch(70.8% 0.059 241.5)
-
Step 500
500
#5F8FB4
oklch(63% 0.076 242.6)
-
Step 600
600
#4479A0
oklch(55.6% 0.083 242.2)
-
Step 700
700
#356689
oklch(49.2% 0.077 241.7)
-
Step 800
800
#2D536F
oklch(42.7% 0.064 242.2)
-
Step 900
900
#29455A
oklch(37.8% 0.05 242.1)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#B3CBDE 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) | #C3CADF | 0.021 |
| Deuteranopia (no green cones) | #BEC6DE | 0.018 |
| Tritanopia (no blue cones) | #A8D0D1 | 0.030 |
| Achromatopsia (no color) | #C8C8C8 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CBDE
#B3CBDE
oklch(83% 0.037 241.9)
- #DAC3AF
#DAC3AF
oklch(83.1% 0.038 63.3)
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 #B3CBDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.010
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.033
- Celeste #A8DADC ΔE 0.042
- Silver #C0C0C0 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.046
Use #B3CBDE 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.