#C4DDFF
Closest named color: Powder Blue (#B0E0E6). oklch(89% 0.054 256.1), rgb(196, 221, 255).
Aa
Black text reads best on this color (15.13:1).
About this color
#C4DDFF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.054 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.047 away. Black text reads best on it, at 15.13:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.13:1 |
| White text | 1.38:1 |
Values
| HEX | #C4DDFF |
| RGB | rgb(196, 221, 255) |
| HSL | hsl(215, 100%, 88%) |
| OKLCH | oklch(89% 0.054 256.1) |
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 #C4DDFF | 1.38:1 | Fails | Lc -21.5 | Dividers and decoration only |
| Black text on #C4DDFF | 15.13:1 | AAA | Lc 84.8 | Fine for body text |
| #C4DDFF text on white | 1.38:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #C4DDFF text on black | 15.13:1 | AAA | Lc -84.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200 (this color)
#C4DDFF
oklch(89% 0.054 256.1)
-
Step 300
300
#A4C3EE
oklch(80.9% 0.07 256.6)
-
Step 400
400
#72A3E5
oklch(70.8% 0.111 256.1)
-
Step 500
500
#4B8ADE
oklch(63.1% 0.143 256.3)
-
Step 600
600
#2C72CB
oklch(55.5% 0.154 256.2)
-
Step 700
700
#1E5FB0
oklch(49% 0.144 256.2)
-
Step 800
800
#1B4E8E
oklch(42.6% 0.119 256)
-
Step 900
900
#1D4272
oklch(37.8% 0.093 256)
-
Step 950
950
#122743
oklch(27.1% 0.059 256.2)
#C4DDFF 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) | #D1DEFF | 0.017 |
| Deuteranopia (no green cones) | #CBD8FE | 0.015 |
| Tritanopia (no blue cones) | #B4E4E8 | 0.047 |
| Achromatopsia (no color) | #DBDBDB | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4DDFF
#C4DDFF
oklch(89% 0.054 256.1)
- #F0D7B4
#F0D7B4
oklch(89.1% 0.054 76.2)
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 #C4DDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.049
- Lavender #E6E6FA ΔE 0.053
- Gainsboro #DCDCDC ΔE 0.054
- Diamond #B9F2FF ΔE 0.056
- Baby Blue #A2CFFE ΔE 0.058
- Pale Silver #D8E2DC ΔE 0.059
Use #C4DDFF 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.