#C5CBEF
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.9% 0.051 277.8), rgb(197, 203, 239).
Aa
Black text reads best on this color (13.16:1).
About this color
#C5CBEF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.051 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.026 away. Black text reads best on it, at 13.16:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.16:1 |
| White text | 1.59:1 |
Values
| HEX | #C5CBEF |
| RGB | rgb(197, 203, 239) |
| HSL | hsl(231, 57%, 85%) |
| OKLCH | oklch(84.9% 0.051 277.8) |
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 #C5CBEF | 1.59:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #C5CBEF | 13.16:1 | AAA | Lc 76.9 | Fine for body text |
| #C5CBEF text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #C5CBEF text on black | 13.16:1 | AAA | Lc -76.1 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200 (this color)
#C5CBEF
oklch(84.9% 0.051 277.8)
-
Step 300
300
#B6BDEB
oklch(80.9% 0.065 278.1)
-
Step 400
400
#919AE1
oklch(70.7% 0.104 277.8)
-
Step 500
500
#7780D8
oklch(63.2% 0.132 277.5)
-
Step 600
600
#6167C6
oklch(55.6% 0.145 277.8)
-
Step 700
700
#5155AB
oklch(49.1% 0.135 278.2)
-
Step 800
800
#42468A
oklch(42.6% 0.111 278.1)
-
Step 900
900
#373C6F
oklch(37.8% 0.087 277.2)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#C5CBEF 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) | #BFCBEE | 0.008 |
| Tritanopia (no blue cones) | #BCD1D7 | 0.044 |
| Achromatopsia (no color) | #CDCDCD | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5CBEF
#C5CBEF
oklch(84.9% 0.051 277.8)
- #D6CEA9
#D6CEA9
oklch(84.8% 0.05 97.2)
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 #C5CBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.041
- Thistle #D8BFD8 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.045
- Light Lavender #DFC5FE ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.049
Use #C5CBEF 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.