#C4DDDF
Closest named color: Powder Blue (#B0E0E6). oklch(88% 0.027 202.5), rgb(196, 221, 223).
Aa
Black text reads best on this color (14.75:1).
About this color
#C4DDDF is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.024 away. Black text reads best on it, at 14.75:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.75:1 |
| White text | 1.42:1 |
Values
| HEX | #C4DDDF |
| RGB | rgb(196, 221, 223) |
| HSL | hsl(184, 30%, 82%) |
| OKLCH | oklch(88% 0.027 202.5) |
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 #C4DDDF | 1.42:1 | Fails | Lc -23.2 | Dividers and decoration only |
| Black text on #C4DDDF | 14.75:1 | AAA | Lc 83.3 | Fine for body text |
| #C4DDDF text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #C4DDDF text on black | 14.75:1 | AAA | Lc -83.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200 (this color)
#C4DDDF
oklch(88% 0.027 202.5)
-
Step 300
300
#A8C8CA
oklch(81% 0.034 201.2)
-
Step 400
400
#77ABB0
oklch(70.7% 0.055 203.5)
-
Step 500
500
#51969C
oklch(63% 0.07 202.9)
-
Step 600
600
#318087
oklch(55.5% 0.076 203.4)
-
Step 700
700
#236C72
oklch(49% 0.071 202.9)
-
Step 800
800
#1F585D
oklch(42.6% 0.059 203.3)
-
Step 900
900
#20494C
oklch(37.7% 0.046 201.8)
-
Step 950
950
#142B2D
oklch(27.1% 0.029 202.9)
#C4DDDF 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) | #D9DBDF | 0.027 |
| Deuteranopia (no green cones) | #D4D6DF | 0.026 |
| Tritanopia (no blue cones) | #BCDFDE | 0.011 |
| Achromatopsia (no color) | #D8D8D8 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4DDDF
#C4DDDF
oklch(88% 0.027 202.5)
- #E9D1CF
#E9D1CF
oklch(88% 0.027 23.4)
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 #C4DDDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.024
- Cadet Gray #CED4DA ΔE 0.024
- Light Gray #D3D3D3 ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.031
- Gainsboro #DCDCDC ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.034
- Celeste #A8DADC ΔE 0.036
- Platinum #E0E1DD ΔE 0.039
Use #C4DDDF 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.