#C5D4FB
Closest named color: Light Periwinkle (#C1C6FC). oklch(87.1% 0.057 268.6), rgb(197, 212, 251).
Aa
Black text reads best on this color (14.18:1).
About this color
#C5D4FB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.057 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.038 away. Black text reads best on it, at 14.18:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 14.18:1 |
| White text | 1.48:1 |
Values
| HEX | #C5D4FB |
| RGB | rgb(197, 212, 251) |
| HSL | hsl(223, 87%, 88%) |
| OKLCH | oklch(87.1% 0.057 268.6) |
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 #C5D4FB | 1.48:1 | Fails | Lc -25.7 | Dividers and decoration only |
| Black text on #C5D4FB | 14.18:1 | AAA | Lc 81.1 | Fine for body text |
| #C5D4FB text on white | 1.48:1 | Fails | Lc 22.7 | Dividers and decoration only |
| #C5D4FB text on black | 14.18:1 | AAA | Lc -80.6 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200 (this color)
#C5D4FB
oklch(87.1% 0.057 268.6)
-
Step 300
300
#ADBFF1
oklch(80.8% 0.074 269.3)
-
Step 400
400
#829DE9
oklch(70.6% 0.116 268.4)
-
Step 500
500
#6483E3
oklch(63.2% 0.149 268.4)
-
Step 600
600
#4D6AD1
oklch(55.6% 0.162 268.8)
-
Step 700
700
#3E58B5
oklch(49.2% 0.15 268.6)
-
Step 800
800
#334892
oklch(42.6% 0.124 268.7)
-
Step 900
900
#2C3D75
oklch(37.7% 0.098 268.7)
-
Step 950
950
#1A2444
oklch(26.9% 0.061 268.9)
#C5D4FB 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) | #C8D7FD | 0.009 |
| Deuteranopia (no green cones) | #C4D2FA | 0.005 |
| Tritanopia (no blue cones) | #B8DBE1 | 0.050 |
| Achromatopsia (no color) | #D4D4D4 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5D4FB
#C5D4FB
oklch(87.1% 0.057 268.6)
- #E4D3AB
#E4D3AB
oklch(87.1% 0.056 87.7)
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 #C5D4FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.047
- Pale Lilac #E4CBFF ΔE 0.047
- Light Lavender #DFC5FE ΔE 0.051
- Powder Blue #B0E0E6 ΔE 0.056
Use #C5D4FB 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.