#C5DBEF
Closest named color: Cadet Gray (#CED4DA). oklch(88.1% 0.036 245.7), rgb(197, 219, 239).
Aa
Black text reads best on this color (14.75:1).
About this color
#C5DBEF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.036 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.029 away. Black text reads best on it, at 14.75:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.75:1 |
| White text | 1.42:1 |
Values
| HEX | #C5DBEF |
| RGB | rgb(197, 219, 239) |
| HSL | hsl(209, 57%, 85%) |
| OKLCH | oklch(88.1% 0.036 245.7) |
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 #C5DBEF | 1.42:1 | Fails | Lc -23.2 | Dividers and decoration only |
| Black text on #C5DBEF | 14.75:1 | AAA | Lc 83.3 | Fine for body text |
| #C5DBEF text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #C5DBEF text on black | 14.75:1 | AAA | Lc -83.0 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200 (this color)
#C5DBEF
oklch(88.1% 0.036 245.7)
-
Step 300
300
#A8C4DE
oklch(80.8% 0.048 246.4)
-
Step 400
400
#79A6CD
oklch(70.7% 0.075 245.3)
-
Step 500
500
#558FC0
oklch(63.1% 0.096 245.6)
-
Step 600
600
#3978AC
oklch(55.5% 0.104 246.1)
-
Step 700
700
#2A6594
oklch(49.1% 0.097 245.8)
-
Step 800
800
#255378
oklch(42.8% 0.08 245.5)
-
Step 900
900
#234561
oklch(37.8% 0.063 245.4)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#C5DBEF 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) | #D3DBF0 | 0.018 |
| Deuteranopia (no green cones) | #CED6EF | 0.017 |
| Tritanopia (no blue cones) | #BAE0E1 | 0.031 |
| Achromatopsia (no color) | #D8D8D8 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DBEF
#C5DBEF
oklch(88.1% 0.036 245.7)
- #E9D4BF
#E9D4BF
oklch(88.2% 0.037 67.3)
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 #C5DBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.034
- Gainsboro #DCDCDC ΔE 0.039
- Light Gray #D3D3D3 ΔE 0.039
- Pale Silver #D8E2DC ΔE 0.044
- Celeste #A8DADC ΔE 0.046
- Platinum #E0E1DD ΔE 0.048
Use #C5DBEF 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.