#B5CBDA
Closest named color: Light Blue Grey (#B7C9E2). oklch(83% 0.032 237.6), rgb(181, 203, 218).
Aa
Black text reads best on this color (12.51:1).
About this color
#B5CBDA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.032 and its hue 238°. 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 12.51:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.51:1 |
| White text | 1.67:1 |
Values
| HEX | #B5CBDA |
| RGB | rgb(181, 203, 218) |
| HSL | hsl(204, 33%, 78%) |
| OKLCH | oklch(83% 0.032 237.6) |
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 #B5CBDA | 1.67:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #B5CBDA | 12.51:1 | AAA | Lc 74.2 | Content text, not long reading |
| #B5CBDA text on white | 1.67:1 | Fails | Lc 29.7 | Dividers and decoration only |
| #B5CBDA text on black | 12.51:1 | AAA | Lc -73.2 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300 (this color)
#B5CBDA
oklch(83% 0.032 237.6)
-
Step 400
400
#83A6BD
oklch(70.7% 0.051 237.2)
-
Step 500
500
#6390AC
oklch(63.2% 0.065 236.5)
-
Step 600
600
#497998
oklch(55.5% 0.071 238.2)
-
Step 700
700
#3A6682
oklch(49.1% 0.066 238.1)
-
Step 800
800
#315369
oklch(42.6% 0.054 238.2)
-
Step 900
900
#2B4556
oklch(37.7% 0.043 238.1)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#B5CBDA 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) | #C5CADB | 0.021 |
| Deuteranopia (no green cones) | #BFC6DA | 0.018 |
| Tritanopia (no blue cones) | #ABCFD0 | 0.024 |
| Achromatopsia (no color) | #C8C8C8 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5CBDA
#B5CBDA
oklch(83% 0.032 237.6)
- #D8C3B4
#D8C3B4
oklch(83.1% 0.032 57.8)
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 #B5CBDA, 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 0.023
- Cloudy Blue #ACC2D9 ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.033
- Silver #C0C0C0 ΔE 0.039
- Celeste #A8DADC ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.047
Use #B5CBDA 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.