#CDE8FB
Closest named color: Lavender (#E6E6FA). oklch(91.7% 0.039 238.6), rgb(205, 232, 251).
Aa
Black text reads best on this color (16.53:1).
About this color
#CDE8FB is a very light, muted blue. In OKLCH its lightness is 92%, its chroma 0.039 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.032 away. Black text reads best on it, at 16.53:1.
| Hue family | Blues |
| Lightness | very light (92%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 16.53:1 |
| White text | 1.27:1 |
Values
| HEX | #CDE8FB |
| RGB | rgb(205, 232, 251) |
| HSL | hsl(205, 85%, 89%) |
| OKLCH | oklch(91.7% 0.039 238.6) |
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 #CDE8FB | 1.27:1 | Fails | Lc -15.5 | Dividers and decoration only |
| Black text on #CDE8FB | 16.53:1 | AAA | Lc 90.2 | Preferred for body text |
| #CDE8FB text on white | 1.27:1 | Fails | Lc 13.4 | Not readable |
| #CDE8FB text on black | 16.53:1 | AAA | Lc -90.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100 (this color)
#CDE8FB
oklch(91.7% 0.039 238.6)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DE
oklch(81% 0.05 239)
-
Step 400
400
#71A8CD
oklch(70.7% 0.079 238.8)
-
Step 500
500
#4792C0
oklch(63.2% 0.102 238.2)
-
Step 600
600
#237BAC
oklch(55.5% 0.11 238.5)
-
Step 700
700
#146894
oklch(49.2% 0.102 238.3)
-
Step 800
800
#155578
oklch(42.8% 0.085 238.1)
-
Step 900
900
#1A4661
oklch(37.7% 0.067 239.1)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#CDE8FB 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) | #E0E7FC | 0.024 |
| Deuteranopia (no green cones) | #DAE2FB | 0.021 |
| Tritanopia (no blue cones) | #C1EDEE | 0.030 |
| Achromatopsia (no color) | #E4E4E4 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE8FB
#CDE8FB
oklch(91.7% 0.039 238.6)
- #F8DECB
#F8DECB
oklch(91.7% 0.038 58.4)
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 #CDE8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.032
- Diamond #B9F2FF ΔE 0.032
- Pale Sky Blue #BDF6FE ΔE 0.038
- Pale Silver #D8E2DC ΔE 0.041
- Platinum #E0E1DD ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.050
Use #CDE8FB 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.