#CACFF1
Closest named color: Light Periwinkle (#C1C6FC). oklch(86.1% 0.047 278.8), rgb(202, 207, 241).
Aa
Black text reads best on this color (13.70:1).
About this color
#CACFF1 is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.047 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.035 away. Black text reads best on it, at 13.70:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.70:1 |
| White text | 1.53:1 |
Values
| HEX | #CACFF1 |
| RGB | rgb(202, 207, 241) |
| HSL | hsl(232, 58%, 87%) |
| OKLCH | oklch(86.1% 0.047 278.8) |
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 #CACFF1 | 1.53:1 | Fails | Lc -27.9 | Dividers and decoration only |
| Black text on #CACFF1 | 13.70:1 | AAA | Lc 79.1 | Fine for body text |
| #CACFF1 text on white | 1.53:1 | Fails | Lc 24.6 | Dividers and decoration only |
| #CACFF1 text on black | 13.70:1 | AAA | Lc -78.5 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200 (this color)
#CACFF1
oklch(86.1% 0.047 278.8)
-
Step 300
300
#B7BDE8
oklch(80.8% 0.061 278.7)
-
Step 400
400
#939ADD
oklch(70.6% 0.098 279)
-
Step 500
500
#7A80D3
oklch(63.1% 0.124 279.1)
-
Step 600
600
#6368C1
oklch(55.6% 0.136 278.6)
-
Step 700
700
#5356A6
oklch(49.1% 0.126 279.1)
-
Step 800
800
#434787
oklch(42.7% 0.105 278.3)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#CACFF1 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) | #C6D2F3 | 0.008 |
| Deuteranopia (no green cones) | #C4CFF0 | 0.008 |
| Tritanopia (no blue cones) | #C2D5DA | 0.042 |
| Achromatopsia (no color) | #D1D1D1 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CACFF1
#CACFF1
oklch(86.1% 0.047 278.8)
- #D9D3AF
#D9D3AF
oklch(86.2% 0.048 99.5)
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 #CACFF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.036
- Cadet Gray #CED4DA ΔE 0.039
- Pale Lilac #E4CBFF ΔE 0.044
- Light Lavender #DFC5FE ΔE 0.045
- Thistle #D8BFD8 ΔE 0.046
- Light Gray #D3D3D3 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.048
Use #CACFF1 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.