#C5D8FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(88.1% 0.058 264.7), rgb(197, 216, 255).
Aa
Black text reads best on this color (14.64:1).
About this color
#C5D8FF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.058 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.047 away. Black text reads best on it, at 14.64:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 14.64:1 |
| White text | 1.43:1 |
Values
| HEX | #C5D8FF |
| RGB | rgb(197, 216, 255) |
| HSL | hsl(220, 100%, 89%) |
| OKLCH | oklch(88.1% 0.058 264.7) |
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 #C5D8FF | 1.43:1 | Fails | Lc -23.7 | Dividers and decoration only |
| Black text on #C5D8FF | 14.64:1 | AAA | Lc 82.9 | Fine for body text |
| #C5D8FF text on white | 1.43:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #C5D8FF text on black | 14.64:1 | AAA | Lc -82.6 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200 (this color)
#C5D8FF
oklch(88.1% 0.058 264.7)
-
Step 300
300
#A9C1F2
oklch(81% 0.074 264.4)
-
Step 400
400
#7C9FEB
oklch(70.8% 0.119 264.7)
-
Step 500
500
#5B85E5
oklch(63.2% 0.152 264.6)
-
Step 600
600
#426CD3
oklch(55.6% 0.166 264.8)
-
Step 700
700
#345AB7
oklch(49.2% 0.154 264.6)
-
Step 800
800
#2B4A94
oklch(42.8% 0.127 264.5)
-
Step 900
900
#273E76
oklch(37.7% 0.1 265.2)
-
Step 950
950
#172545
oklch(27% 0.063 264.7)
#C5D8FF 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) | #CCDAFF | 0.011 |
| Deuteranopia (no green cones) | #C7D5FE | 0.008 |
| Tritanopia (no blue cones) | #B6E0E5 | 0.052 |
| Achromatopsia (no color) | #D7D7D7 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5D8FF
#C5D8FF
oklch(88.1% 0.058 264.7)
- #EAD5AD
#EAD5AD
oklch(88% 0.058 83.5)
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 #C5D8FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.050
- Pale Lilac #E4CBFF ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.054
- Powder Blue #B0E0E6 ΔE 0.054
- Light Lavender #DFC5FE ΔE 0.057
Use #C5D8FF 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.