#C9CFEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(86% 0.045 277), rgb(201, 207, 239).
Aa
Black text reads best on this color (13.65:1).
About this color
#C9CFEF is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.045 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.034 away. Black text reads best on it, at 13.65:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.65:1 |
| White text | 1.53:1 |
Values
| HEX | #C9CFEF |
| RGB | rgb(201, 207, 239) |
| HSL | hsl(231, 54%, 86%) |
| OKLCH | oklch(86% 0.045 277) |
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 #C9CFEF | 1.53:1 | Fails | Lc -28.1 | Dividers and decoration only |
| Black text on #C9CFEF | 13.65:1 | AAA | Lc 78.9 | Fine for body text |
| #C9CFEF text on white | 1.53:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #C9CFEF text on black | 13.65:1 | AAA | Lc -78.3 | 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
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200 (this color)
#C9CFEF
oklch(86% 0.045 277)
-
Step 300
300
#B7BEE6
oklch(80.9% 0.057 277.3)
-
Step 400
400
#929BDA
oklch(70.6% 0.093 277.5)
-
Step 500
500
#7882D0
oklch(63.2% 0.117 276.9)
-
Step 600
600
#616ABD
oklch(55.6% 0.128 276.7)
-
Step 700
700
#5158A3
oklch(49.2% 0.119 277.1)
-
Step 800
800
#424884
oklch(42.7% 0.099 277)
-
Step 900
900
#383D6A
oklch(37.8% 0.077 277.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#C9CFEF 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) | #C7D2F1 | 0.008 |
| Deuteranopia (no green cones) | #C4CFEE | 0.007 |
| Tritanopia (no blue cones) | #C1D5D9 | 0.041 |
| Achromatopsia (no color) | #D0D0D0 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9CFEF
#C9CFEF
oklch(86% 0.045 277)
- #D9D2B1
#D9D2B1
oklch(86.1% 0.045 97.3)
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 #C9CFEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.036
- Cadet Gray #CED4DA ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.045
- Thistle #D8BFD8 ΔE 0.045
- Pale Lilac #E4CBFF ΔE 0.047
- Light Lavender #DFC5FE ΔE 0.048
Use #C9CFEF 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.