#C4CAFF
Closest named color: Light Periwinkle (#C1C6FC). oklch(85.2% 0.074 279.7), rgb(196, 202, 255).
Aa
Black text reads best on this color (13.23:1).
About this color
#C4CAFF is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.074 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.011 away. Black text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.23:1 |
| White text | 1.58:1 |
Values
| HEX | #C4CAFF |
| RGB | rgb(196, 202, 255) |
| HSL | hsl(234, 100%, 88%) |
| OKLCH | oklch(85.2% 0.074 279.7) |
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 #C4CAFF | 1.58:1 | Fails | Lc -30.0 | Non-text elements, placeholder text |
| Black text on #C4CAFF | 13.23:1 | AAA | Lc 77.2 | Fine for body text |
| #C4CAFF text on white | 1.58:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #C4CAFF text on black | 13.23:1 | AAA | Lc -76.4 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200 (this color)
#C4CAFF
oklch(85.2% 0.074 279.7)
-
Step 300
300
#B4BAFE
oklch(80.9% 0.096 280.1)
-
Step 400
400
#8F94FD
oklch(70.8% 0.152 279.7)
-
Step 500
500
#7675FB
oklch(63.2% 0.194 279.6)
-
Step 600
600
#6159EA
oklch(55.7% 0.211 279.5)
-
Step 700
700
#5147CB
oklch(49% 0.196 279.7)
-
Step 800
800
#423CA4
oklch(42.7% 0.162 279.6)
-
Step 900
900
#373582
oklch(37.8% 0.126 279.7)
-
Step 950
950
#20204C
oklch(27.1% 0.079 279.7)
#C4CAFF 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) | #BCCFFF | 0.016 |
| Deuteranopia (no green cones) | #B9CBFE | 0.014 |
| Tritanopia (no blue cones) | #B6D3DC | 0.065 |
| Achromatopsia (no color) | #CDCDCD | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4CAFF
#C4CAFF
oklch(85.2% 0.074 279.7)
- #DAD098
#DAD098
oklch(85.2% 0.074 99.2)
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 #C4CAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.011
- Light Lavender #DFC5FE ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.043
- Pale Lilac #E4CBFF ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.055
- Light Lilac #EDC8FF ΔE 0.057
Use #C4CAFF 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.