#C6D8FF
Closest named color: Light Periwinkle (#C1C6FC). oklch(88.1% 0.057 265.7), rgb(198, 216, 255).
Aa
Black text reads best on this color (14.66:1).
About this color
#C6D8FF is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.057 and its hue 266°. 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 14.66:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 14.66:1 |
| White text | 1.43:1 |
Values
| HEX | #C6D8FF |
| RGB | rgb(198, 216, 255) |
| HSL | hsl(221, 100%, 89%) |
| OKLCH | oklch(88.1% 0.057 265.7) |
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 #C6D8FF | 1.43:1 | Fails | Lc -23.6 | Dividers and decoration only |
| Black text on #C6D8FF | 14.66:1 | AAA | Lc 83.0 | Fine for body text |
| #C6D8FF text on white | 1.43:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #C6D8FF text on black | 14.66:1 | AAA | Lc -82.7 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200 (this color)
#C6D8FF
oklch(88.1% 0.057 265.7)
-
Step 300
300
#AAC0F1
oklch(80.8% 0.074 265.9)
-
Step 400
400
#7D9EEB
oklch(70.6% 0.119 265.8)
-
Step 500
500
#5D84E4
oklch(63% 0.151 265.6)
-
Step 600
600
#456CD2
oklch(55.7% 0.163 265.6)
-
Step 700
700
#3659B6
oklch(49% 0.153 265.5)
-
Step 800
800
#2D4993
oklch(42.6% 0.126 265.7)
-
Step 900
900
#283E75
oklch(37.6% 0.098 265.5)
-
Step 950
950
#182545
oklch(27.1% 0.062 265.8)
#C6D8FF 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 | 0.010 |
| Deuteranopia (no green cones) | #C7D5FE | 0.007 |
| Tritanopia (no blue cones) | #B8E0E5 | 0.052 |
| Achromatopsia (no color) | #D8D8D8 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6D8FF
#C6D8FF
oklch(88.1% 0.057 265.7)
- #E9D6AD
#E9D6AD
oklch(88.1% 0.058 86)
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 #C6D8FF, 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 0.049
- Pale Lilac #E4CBFF ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.050
- Baby Blue #A2CFFE ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.055
- Powder Blue #B0E0E6 ΔE 0.055
- Light Lavender #DFC5FE ΔE 0.056
Use #C6D8FF 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.