#C9CEF5
Closest named color: Light Periwinkle (#C1C6FC). oklch(86% 0.054 279.4), rgb(201, 206, 245).
Aa
Black text reads best on this color (13.63:1).
About this color
#C9CEF5 is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.054 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.029 away. Black text reads best on it, at 13.63:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.63:1 |
| White text | 1.54:1 |
Values
| HEX | #C9CEF5 |
| RGB | rgb(201, 206, 245) |
| HSL | hsl(233, 69%, 87%) |
| OKLCH | oklch(86% 0.054 279.4) |
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 #C9CEF5 | 1.54:1 | Fails | Lc -28.3 | Dividers and decoration only |
| Black text on #C9CEF5 | 13.63:1 | AAA | Lc 78.8 | Fine for body text |
| #C9CEF5 text on white | 1.54:1 | Fails | Lc 25.0 | Dividers and decoration only |
| #C9CEF5 text on black | 13.63:1 | AAA | Lc -78.2 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200 (this color)
#C9CEF5
oklch(86% 0.054 279.4)
-
Step 300
300
#B7BCEE
oklch(80.8% 0.071 280.2)
-
Step 400
400
#9299E5
oklch(70.7% 0.111 279.1)
-
Step 500
500
#797DDE
oklch(63.1% 0.144 279.6)
-
Step 600
600
#6365CB
oklch(55.7% 0.154 279.3)
-
Step 700
700
#5253B0
oklch(49.1% 0.145 279.2)
-
Step 800
800
#43448E
oklch(42.6% 0.12 279.5)
-
Step 900
900
#383A72
oklch(37.7% 0.094 279.3)
-
Step 950
950
#212243
oklch(26.9% 0.061 280.2)
#C9CEF5 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) | #C4D2F7 | 0.011 |
| Deuteranopia (no green cones) | #C2CFF4 | 0.010 |
| Tritanopia (no blue cones) | #BFD5DB | 0.049 |
| Achromatopsia (no color) | #D0D0D0 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9CEF5
#C9CEF5
oklch(86% 0.054 279.4)
- #D9D2AA
#D9D2AA
oklch(85.9% 0.054 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 #C9CEF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Lavender #DFC5FE ΔE 0.041
- Pale Lilac #E4CBFF ΔE 0.041
- Cadet Gray #CED4DA ΔE 0.046
- Thistle #D8BFD8 ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.052
Use #C9CEF5 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.