#C6CBEF
Closest named color: Light Periwinkle (#C1C6FC). oklch(85% 0.05 279), rgb(198, 203, 239).
Aa
Black text reads best on this color (13.18:1).
About this color
#C6CBEF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.050 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.027 away. Black text reads best on it, at 13.18:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.18:1 |
| White text | 1.59:1 |
Values
| HEX | #C6CBEF |
| RGB | rgb(198, 203, 239) |
| HSL | hsl(233, 56%, 86%) |
| OKLCH | oklch(85% 0.05 279) |
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 #C6CBEF | 1.59:1 | Fails | Lc -30.3 | Non-text elements, placeholder text |
| Black text on #C6CBEF | 13.18:1 | AAA | Lc 77.0 | Fine for body text |
| #C6CBEF text on white | 1.59:1 | Fails | Lc 26.8 | Dividers and decoration only |
| #C6CBEF text on black | 13.18:1 | AAA | Lc -76.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200 (this color)
#C6CBEF
oklch(85% 0.05 279)
-
Step 300
300
#B7BDEB
oklch(80.9% 0.065 279)
-
Step 400
400
#939AE0
oklch(70.8% 0.102 279)
-
Step 500
500
#797FD8
oklch(63.1% 0.133 278.9)
-
Step 600
600
#6367C5
oklch(55.7% 0.143 278.8)
-
Step 700
700
#5255AA
oklch(49.1% 0.133 278.8)
-
Step 800
800
#43468A
oklch(42.7% 0.111 278.7)
-
Step 900
900
#383B6E
oklch(37.6% 0.086 278.8)
-
Step 950
950
#212341
oklch(27% 0.055 279.1)
#C6CBEF 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) | #C2CEF1 | 0.008 |
| Deuteranopia (no green cones) | #C0CCEE | 0.008 |
| Tritanopia (no blue cones) | #BDD1D7 | 0.044 |
| Achromatopsia (no color) | #CDCDCD | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6CBEF
#C6CBEF
oklch(85% 0.05 279)
- #D5CFAA
#D5CFAA
oklch(85% 0.05 99.7)
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 #C6CBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.028
- Thistle #D8BFD8 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.045
- Light Lavender #DFC5FE ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.046
- Pale Lilac #E4CBFF ΔE 0.049
Use #C6CBEF 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.