#B3CBDA
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.9% 0.033 235.3), rgb(179, 203, 218).
Aa
Black text reads best on this color (12.47:1).
About this color
#B3CBDA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.033 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.015 away. Black text reads best on it, at 12.47:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #B3CBDA |
| RGB | rgb(179, 203, 218) |
| HSL | hsl(203, 35%, 78%) |
| OKLCH | oklch(82.9% 0.033 235.3) |
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 #B3CBDA | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #B3CBDA | 12.47:1 | AAA | Lc 74.0 | Content text, not long reading |
| #B3CBDA text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #B3CBDA text on black | 12.47:1 | AAA | Lc -72.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300 (this color)
#B3CBDA
oklch(82.9% 0.033 235.3)
-
Step 400
400
#81A6BE
oklch(70.6% 0.054 237)
-
Step 500
500
#5F90AD
oklch(63% 0.069 235.4)
-
Step 600
600
#457A99
oklch(55.6% 0.074 235.9)
-
Step 700
700
#366782
oklch(49.1% 0.069 234.6)
-
Step 800
800
#2D546A
oklch(42.7% 0.057 235)
-
Step 900
900
#294556
oklch(37.6% 0.045 236.3)
-
Step 950
950
#182932
oklch(27% 0.028 232.3)
#B3CBDA 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) | #C4CADB | 0.022 |
| Deuteranopia (no green cones) | #BFC5DA | 0.021 |
| Tritanopia (no blue cones) | #A9CFD0 | 0.024 |
| Achromatopsia (no color) | #C7C7C7 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3CBDA
#B3CBDA
oklch(82.9% 0.033 235.3)
- #D9C2B3
#D9C2B3
oklch(82.9% 0.033 55.3)
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 #B3CBDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.015
- Light Steel Blue #B0C4DE ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.033
- Silver #C0C0C0 ΔE 0.040
- Celeste #A8DADC ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.045
Use #B3CBDA 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.