#C5DCF3
Closest named color: Cadet Gray (#CED4DA). oklch(88.5% 0.04 248.3), rgb(197, 220, 243).
Aa
Black text reads best on this color (14.90:1).
About this color
#C5DCF3 is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.040 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.035 away. Black text reads best on it, at 14.90:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.90:1 |
| White text | 1.40:1 |
Values
| HEX | #C5DCF3 |
| RGB | rgb(197, 220, 243) |
| HSL | hsl(210, 66%, 86%) |
| OKLCH | oklch(88.5% 0.04 248.3) |
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 #C5DCF3 | 1.40:1 | Fails | Lc -22.5 | Dividers and decoration only |
| Black text on #C5DCF3 | 14.90:1 | AAA | Lc 83.9 | Fine for body text |
| #C5DCF3 text on white | 1.40:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #C5DCF3 text on black | 14.90:1 | AAA | Lc -83.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200 (this color)
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#A7C4E1
oklch(80.8% 0.052 248.5)
-
Step 400
400
#77A5D2
oklch(70.6% 0.083 248.5)
-
Step 500
500
#528EC6
oklch(63% 0.106 248.3)
-
Step 600
600
#3478B3
oklch(55.7% 0.115 247.8)
-
Step 700
700
#26649A
oklch(49% 0.107 248.3)
-
Step 800
800
#22527D
oklch(42.7% 0.088 248.5)
-
Step 900
900
#214464
oklch(37.6% 0.069 248.2)
-
Step 950
950
#14283B
oklch(27% 0.044 248.6)
#C5DCF3 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) | #D3DCF4 | 0.018 |
| Deuteranopia (no green cones) | #CED7F3 | 0.016 |
| Tritanopia (no blue cones) | #B9E1E3 | 0.034 |
| Achromatopsia (no color) | #D9D9D9 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DCF3
#C5DCF3
oklch(88.5% 0.04 248.3)
- #EBD5BD
#EBD5BD
oklch(88.5% 0.04 69.7)
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 #C5DCF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.037
- Gainsboro #DCDCDC ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.044
- Pale Silver #D8E2DC ΔE 0.046
- Platinum #E0E1DD ΔE 0.050
- Celeste #A8DADC ΔE 0.050
Use #C5DCF3 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.