#C4D3FB
Closest named color: Light Periwinkle (#C1C6FC). oklch(86.9% 0.058 269), rgb(196, 211, 251).
Aa
Black text reads best on this color (14.05:1).
About this color
#C4D3FB is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.058 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.035 away. Black text reads best on it, at 14.05:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 14.05:1 |
| White text | 1.49:1 |
Values
| HEX | #C4D3FB |
| RGB | rgb(196, 211, 251) |
| HSL | hsl(224, 87%, 88%) |
| OKLCH | oklch(86.9% 0.058 269) |
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 #C4D3FB | 1.49:1 | Fails | Lc -26.3 | Dividers and decoration only |
| Black text on #C4D3FB | 14.05:1 | AAA | Lc 80.6 | Fine for body text |
| #C4D3FB text on white | 1.49:1 | Fails | Lc 23.2 | Dividers and decoration only |
| #C4D3FB text on black | 14.05:1 | AAA | Lc -80.0 | 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)
#C4D3FB
oklch(86.9% 0.058 269)
-
Step 300
300
#ADBFF2
oklch(80.9% 0.075 269.5)
-
Step 400
400
#829DEB
oklch(70.7% 0.119 268.7)
-
Step 500
500
#6482E5
oklch(63.1% 0.153 269)
-
Step 600
600
#4D69D3
oklch(55.6% 0.166 269.3)
-
Step 700
700
#3E57B7
oklch(49.1% 0.154 269.1)
-
Step 800
800
#334894
oklch(42.8% 0.127 268.9)
-
Step 900
900
#2C3D76
oklch(37.7% 0.099 268.8)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#C4D3FB 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) | #C7D6FD | 0.009 |
| Deuteranopia (no green cones) | #C3D1FA | 0.005 |
| Tritanopia (no blue cones) | #B6DBE0 | 0.053 |
| Achromatopsia (no color) | #D3D3D3 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4D3FB
#C4D3FB
oklch(86.9% 0.058 269)
- #E3D3A9
#E3D3A9
oklch(86.9% 0.058 89.7)
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 #C4D3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.047
- Pale Lilac #E4CBFF ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.048
- Light Lavender #DFC5FE ΔE 0.050
- Powder Blue #B0E0E6 ΔE 0.057
Use #C4D3FB 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.