#CDF3FF
Closest named color: Pale Sky Blue (#BDF6FE). oklch(94.1% 0.043 218.9), rgb(205, 243, 255).
Aa
Black text reads best on this color (17.86:1).
About this color
#CDF3FF is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.043 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.019 away. Black text reads best on it, at 17.86:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.86:1 |
| White text | 1.17:1 |
Values
| HEX | #CDF3FF |
| RGB | rgb(205, 243, 255) |
| HSL | hsl(194, 100%, 90%) |
| OKLCH | oklch(94.1% 0.043 218.9) |
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 #CDF3FF | 1.17:1 | Fails | Lc -9.9 | Not readable |
| Black text on #CDF3FF | 17.86:1 | AAA | Lc 95.1 | Preferred for body text |
| #CDF3FF text on white | 1.17:1 | Fails | Lc 8.4 | Not readable |
| #CDF3FF text on black | 17.86:1 | AAA | Lc -95.8 | Preferred 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 100.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100 (this color)
#CDF3FF
oklch(94.1% 0.043 218.9)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300
#99CAD9
oklch(81% 0.055 218.6)
-
Step 400
400
#5BAEC6
oklch(70.8% 0.088 219)
-
Step 500
500
#0E99B7
oklch(63.2% 0.112 218.7)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586B
oklch(42.5% 0.077 219.1)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#032C36
oklch(27.2% 0.047 218.5)
#CDF3FF 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) | #EBF0FF | 0.037 |
| Deuteranopia (no green cones) | #E3EAFF | 0.034 |
| Tritanopia (no blue cones) | #BFF7F7 | 0.024 |
| Achromatopsia (no color) | #EDEDED | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDF3FF
#CDF3FF
oklch(94.1% 0.043 218.9)
- #FFE5DD
#FFE5DD
oklch(94.1% 0.031 37.8)
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 #CDF3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.019
- Diamond #B9F2FF ΔE 0.023
- Pale Blue #D0FEFE ΔE 0.030
- Duck Egg Blue #C3FBF4 ΔE 0.032
- Really Light Blue #D4FFFF ΔE 0.034
- Light Light Blue #CAFFFB ΔE 0.034
- Very Light Blue #D5FFFF ΔE 0.034
- Very Pale Blue #D6FFFE ΔE 0.035
Use #CDF3FF 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.