#C6CFEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(85.8% 0.046 273), rgb(198, 207, 239).
Aa
Black text reads best on this color (13.57:1).
About this color
#C6CFEF is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.046 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.031 away. Black text reads best on it, at 13.57:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.57:1 |
| White text | 1.54:1 |
Values
| HEX | #C6CFEF |
| RGB | rgb(198, 207, 239) |
| HSL | hsl(227, 56%, 86%) |
| OKLCH | oklch(85.8% 0.046 273) |
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 #C6CFEF | 1.54:1 | Fails | Lc -28.5 | Dividers and decoration only |
| Black text on #C6CFEF | 13.57:1 | AAA | Lc 78.6 | Fine for body text |
| #C6CFEF text on white | 1.54:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #C6CFEF text on black | 13.57:1 | AAA | Lc -77.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200 (this color)
#C6CFEF
oklch(85.8% 0.046 273)
-
Step 300
300
#B4BFE7
oklch(81% 0.058 273)
-
Step 400
400
#8D9DDB
oklch(70.7% 0.093 272.7)
-
Step 500
500
#7283D2
oklch(63.1% 0.121 273.3)
-
Step 600
600
#5B6CBF
oklch(55.7% 0.13 272.8)
-
Step 700
700
#4B59A5
oklch(49.1% 0.122 273.2)
-
Step 800
800
#3D4985
oklch(42.6% 0.1 272.9)
-
Step 900
900
#343E6B
oklch(37.8% 0.078 272.7)
-
Step 950
950
#1E243F
oklch(26.9% 0.051 273)
#C6CFEF 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) | #C6D1F1 | 0.005 |
| Deuteranopia (no green cones) | #C3CEEE | 0.005 |
| Tritanopia (no blue cones) | #BDD5D9 | 0.042 |
| Achromatopsia (no color) | #D0D0D0 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6CFEF
#C6CFEF
oklch(85.8% 0.046 273)
- #DAD0AF
#DAD0AF
oklch(85.7% 0.045 93.1)
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 #C6CFEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Periwinkle #C1C6FC ΔE 0.035
- Cadet Gray #CED4DA ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.046
- Light Gray #D3D3D3 ΔE 0.046
- Thistle #D8BFD8 ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.047
Use #C6CFEF 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.