#C3D3EF
Closest named color: Cadet Gray (#CED4DA). oklch(86.4% 0.043 261.7), rgb(195, 211, 239).
Aa
Black text reads best on this color (13.88:1).
About this color
#C3D3EF is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.043 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.033 away. Black text reads best on it, at 13.88:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.88:1 |
| White text | 1.51:1 |
Values
| HEX | #C3D3EF |
| RGB | rgb(195, 211, 239) |
| HSL | hsl(218, 58%, 85%) |
| OKLCH | oklch(86.4% 0.043 261.7) |
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 #C3D3EF | 1.51:1 | Fails | Lc -27.1 | Dividers and decoration only |
| Black text on #C3D3EF | 13.88:1 | AAA | Lc 79.8 | Fine for body text |
| #C3D3EF text on white | 1.51:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #C3D3EF text on black | 13.88:1 | AAA | Lc -79.3 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200 (this color)
#C3D3EF
oklch(86.4% 0.043 261.7)
-
Step 300
300
#ADC1E5
oklch(80.8% 0.056 262.2)
-
Step 400
400
#82A1D8
oklch(70.7% 0.088 261.6)
-
Step 500
500
#6389CD
oklch(63.1% 0.112 261.5)
-
Step 600
600
#4A72BA
oklch(55.7% 0.121 261.3)
-
Step 700
700
#3B5FA0
oklch(49.1% 0.113 261.3)
-
Step 800
800
#314E82
oklch(42.8% 0.093 261.3)
-
Step 900
900
#2B4168
oklch(37.7% 0.073 261.2)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#C3D3EF 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) | #CAD4F0 | 0.010 |
| Deuteranopia (no green cones) | #C6D0EE | 0.008 |
| Tritanopia (no blue cones) | #B8D9DC | 0.039 |
| Achromatopsia (no color) | #D2D2D2 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3D3EF
#C3D3EF
oklch(86.4% 0.043 261.7)
- #E0D0B3
#E0D0B3
oklch(86.3% 0.043 82.5)
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 #C3D3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.034
- Light Gray #D3D3D3 ΔE 0.043
- Light Periwinkle #C1C6FC ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.050
Use #C3D3EF 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.