#C1CEFB
Closest named color: Light Periwinkle (#C1C6FC). oklch(85.6% 0.064 272.4), rgb(193, 206, 251).
Aa
Black text reads best on this color (13.48:1).
About this color
#C1CEFB is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.064 and its hue 272°. 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 13.48:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.48:1 |
| White text | 1.55:1 |
Values
| HEX | #C1CEFB |
| RGB | rgb(193, 206, 251) |
| HSL | hsl(227, 88%, 87%) |
| OKLCH | oklch(85.6% 0.064 272.4) |
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 #C1CEFB | 1.55:1 | Fails | Lc -28.9 | Dividers and decoration only |
| Black text on #C1CEFB | 13.48:1 | AAA | Lc 78.2 | Fine for body text |
| #C1CEFB text on white | 1.55:1 | Fails | Lc 25.5 | Dividers and decoration only |
| #C1CEFB text on black | 13.48:1 | AAA | Lc -77.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200 (this color)
#C1CEFB
oklch(85.6% 0.064 272.4)
-
Step 300
300
#AEBEF7
oklch(80.9% 0.083 272.3)
-
Step 400
400
#859AF3
oklch(70.7% 0.132 272.5)
-
Step 500
500
#687EEE
oklch(63.1% 0.169 272.3)
-
Step 600
600
#5264DD
oklch(55.6% 0.184 272.6)
-
Step 700
700
#4352C0
oklch(49.1% 0.172 272.5)
-
Step 800
800
#37449B
oklch(42.7% 0.142 272.5)
-
Step 900
900
#2F3A7B
oklch(37.6% 0.11 272.8)
-
Step 950
950
#1B2348
oklch(27% 0.069 271.9)
#C1CEFB 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) | #C1D2FD | 0.010 |
| Deuteranopia (no green cones) | #BDCDFA | 0.006 |
| Tritanopia (no blue cones) | #B3D6DD | 0.057 |
| Achromatopsia (no color) | #CFCFCF | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1CEFB
#C1CEFB
oklch(85.6% 0.064 272.4)
- #DFCFA0
#DFCFA0
oklch(85.6% 0.064 91.5)
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 #C1CEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.021
- Baby Blue #A2CFFE ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Lavender #DFC5FE ΔE 0.046
- Pale Lilac #E4CBFF ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.056
Use #C1CEFB 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.