#C4DDF3
Closest named color: Powder Blue (#B0E0E6). oklch(88.6% 0.04 244.8), rgb(196, 221, 243).
Aa
Black text reads best on this color (14.98:1).
About this color
#C4DDF3 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.040 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.034 away. Black text reads best on it, at 14.98:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.98:1 |
| White text | 1.40:1 |
Values
| HEX | #C4DDF3 |
| RGB | rgb(196, 221, 243) |
| HSL | hsl(208, 66%, 86%) |
| OKLCH | oklch(88.6% 0.04 244.8) |
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 #C4DDF3 | 1.40:1 | Fails | Lc -22.2 | Dividers and decoration only |
| Black text on #C4DDF3 | 14.98:1 | AAA | Lc 84.2 | Fine for body text |
| #C4DDF3 text on white | 1.40:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #C4DDF3 text on black | 14.98:1 | AAA | Lc -84.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200 (this color)
#C4DDF3
oklch(88.6% 0.04 244.8)
-
Step 300
300
#A5C5E1
oklch(80.9% 0.053 244.9)
-
Step 400
400
#73A6D1
oklch(70.6% 0.083 244.8)
-
Step 500
500
#4C90C5
oklch(63.1% 0.106 244.2)
-
Step 600
600
#2C79B2
oklch(55.6% 0.116 244.7)
-
Step 700
700
#1E6699
oklch(49.2% 0.107 244.4)
-
Step 800
800
#1C537C
oklch(42.7% 0.089 244.9)
-
Step 900
900
#1D4564
oklch(37.7% 0.07 244.6)
-
Step 950
950
#12293A
oklch(27.1% 0.043 242.6)
#C4DDF3 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) | #D4DDF4 | 0.021 |
| Deuteranopia (no green cones) | #CFD8F3 | 0.018 |
| Tritanopia (no blue cones) | #B8E2E4 | 0.032 |
| Achromatopsia (no color) | #DADADA | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4DDF3
#C4DDF3
oklch(88.6% 0.04 244.8)
- #EDD5BE
#EDD5BE
oklch(88.7% 0.041 66.1)
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 #C4DDF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.034
- Cadet Gray #CED4DA ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.037
- Gainsboro #DCDCDC ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.045
- Celeste #A8DADC ΔE 0.049
- Platinum #E0E1DD ΔE 0.049
Use #C4DDF3 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.