#C5DAEE
Closest named color: Cadet Gray (#CED4DA). oklch(87.9% 0.036 246.9), rgb(197, 218, 238).
Aa
Black text reads best on this color (14.63:1).
About this color
#C5DAEE is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.036 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.028 away. Black text reads best on it, at 14.63:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.63:1 |
| White text | 1.43:1 |
Values
| HEX | #C5DAEE |
| RGB | rgb(197, 218, 238) |
| HSL | hsl(209, 55%, 85%) |
| OKLCH | oklch(87.9% 0.036 246.9) |
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 #C5DAEE | 1.43:1 | Fails | Lc -23.7 | Dividers and decoration only |
| Black text on #C5DAEE | 14.63:1 | AAA | Lc 82.9 | Fine for body text |
| #C5DAEE text on white | 1.43:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #C5DAEE text on black | 14.63:1 | AAA | Lc -82.5 | Fine for body text |
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 200.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200 (this color)
#C5DAEE
oklch(87.9% 0.036 246.9)
-
Step 300
300
#A9C4DD
oklch(80.8% 0.046 246.3)
-
Step 400
400
#7BA5CC
oklch(70.6% 0.073 247)
-
Step 500
500
#588FBF
oklch(63.2% 0.093 246.3)
-
Step 600
600
#3C78AC
oklch(55.6% 0.103 247.1)
-
Step 700
700
#2E6593
oklch(49.1% 0.094 246.5)
-
Step 800
800
#275278
oklch(42.6% 0.08 247.6)
-
Step 900
900
#254460
oklch(37.6% 0.061 247.4)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#C5DAEE 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) | #D2DAEF | 0.017 |
| Deuteranopia (no green cones) | #CDD5EE | 0.016 |
| Tritanopia (no blue cones) | #BBDFE0 | 0.030 |
| Achromatopsia (no color) | #D7D7D7 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DAEE
#C5DAEE
oklch(87.9% 0.036 246.9)
- #E8D3BF
#E8D3BF
oklch(87.9% 0.036 66)
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 #C5DAEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.028
- Light Blue #ADD8E6 ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.033
- Light Gray #D3D3D3 ΔE 0.038
- Gainsboro #DCDCDC ΔE 0.039
- Pale Silver #D8E2DC ΔE 0.045
- Celeste #A8DADC ΔE 0.046
- Platinum #E0E1DD ΔE 0.049
Use #C5DAEE 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.