#CDE9FD
Closest named color: Diamond (#B9F2FF). oklch(92% 0.04 239), rgb(205, 233, 253).
Aa
Black text reads best on this color (16.66:1).
About this color
#CDE9FD is a very light, muted blue. In OKLCH its lightness is 92%, its chroma 0.040 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.030 away. Black text reads best on it, at 16.66:1.
| Hue family | Blues |
| Lightness | very light (92%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.66:1 |
| White text | 1.25:1 |
Values
| HEX | #CDE9FD |
| RGB | rgb(205, 233, 253) |
| HSL | hsl(205, 92%, 90%) |
| OKLCH | oklch(92% 0.04 239) |
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 #CDE9FD | 1.25:1 | Fails | Lc -14.9 | Not readable |
| Black text on #CDE9FD | 16.66:1 | AAA | Lc 90.7 | Preferred for body text |
| #CDE9FD text on white | 1.25:1 | Fails | Lc 12.9 | Not readable |
| #CDE9FD text on black | 16.66:1 | AAA | Lc -91.0 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100 (this color)
#CDE9FD
oklch(92% 0.04 239)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DF
oklch(80.9% 0.052 239.4)
-
Step 400
400
#6FA8CF
oklch(70.7% 0.083 239.4)
-
Step 500
500
#4492C2
oklch(63.1% 0.105 238.6)
-
Step 600
600
#1D7BAF
oklch(55.6% 0.115 239.2)
-
Step 700
700
#0B6896
oklch(49.2% 0.106 238.5)
-
Step 800
800
#10557A
oklch(42.8% 0.089 238.6)
-
Step 900
900
#184662
oklch(37.7% 0.069 239.2)
-
Step 950
950
#102939
oklch(26.9% 0.043 239.2)
#CDE9FD 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) | #E1E8FE | 0.025 |
| Deuteranopia (no green cones) | #DAE3FD | 0.021 |
| Tritanopia (no blue cones) | #C0EEEF | 0.031 |
| Achromatopsia (no color) | #E5E5E5 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE9FD
#CDE9FD
oklch(92% 0.04 239)
- #FADFCB
#FADFCB
oklch(92.1% 0.04 58.8)
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 #CDE9FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.030
- Lavender #E6E6FA ΔE 0.031
- Pale Sky Blue #BDF6FE ΔE 0.037
- Pale Silver #D8E2DC ΔE 0.043
- Platinum #E0E1DD ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.048
- Anti-Flash White #EDF2F4 ΔE 0.051
Use #CDE9FD 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.