#C1C8EF
Closest named color: Light Periwinkle (#C1C6FC). oklch(84% 0.055 277.1), rgb(193, 200, 239).
Aa
Black text reads best on this color (12.77:1).
About this color
#C1C8EF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.055 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.021 away. Black text reads best on it, at 12.77:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.77:1 |
| White text | 1.64:1 |
Values
| HEX | #C1C8EF |
| RGB | rgb(193, 200, 239) |
| HSL | hsl(231, 59%, 85%) |
| OKLCH | oklch(84% 0.055 277.1) |
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 #C1C8EF | 1.64:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #C1C8EF | 12.77:1 | AAA | Lc 75.2 | Fine for body text |
| #C1C8EF text on white | 1.64:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #C1C8EF text on black | 12.77:1 | AAA | Lc -74.3 | Content text, not long reading |
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 300.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300 (this color)
#C1C8EF
oklch(84% 0.055 277.1)
-
Step 400
400
#939CD7
oklch(70.8% 0.087 277.2)
-
Step 500
500
#7982CD
oklch(63.1% 0.113 277.4)
-
Step 600
600
#626BBA
oklch(55.7% 0.122 276.8)
-
Step 700
700
#5158A0
oklch(49% 0.114 277.1)
-
Step 800
800
#434982
oklch(42.8% 0.094 277.1)
-
Step 900
900
#383D68
oklch(37.7% 0.074 277.2)
-
Step 950
950
#21243D
oklch(27% 0.047 277.6)
#C1C8EF 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) | #BECCF1 | 0.010 |
| Deuteranopia (no green cones) | #BBC8EE | 0.008 |
| Tritanopia (no blue cones) | #B7CFD5 | 0.049 |
| Achromatopsia (no color) | #CACACA | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1C8EF
#C1C8EF
oklch(84% 0.055 277.1)
- #D4CBA3
#D4CBA3
oklch(83.9% 0.054 96.8)
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 #C1C8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.041
- Thistle #D8BFD8 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Lavender #DFC5FE ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.053
Use #C1C8EF 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.