#CDDDFF
Closest named color: Lavender (#E6E6FA). oklch(89.6% 0.05 265.4), rgb(205, 221, 255).
Aa
Black text reads best on this color (15.38:1).
About this color
#CDDDFF is a light, muted blue. In OKLCH its lightness is 90%, its chroma 0.050 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.043 away. Black text reads best on it, at 15.38:1.
| Hue family | Blues |
| Lightness | light (90%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 15.38:1 |
| White text | 1.36:1 |
Values
| HEX | #CDDDFF |
| RGB | rgb(205, 221, 255) |
| HSL | hsl(221, 100%, 90%) |
| OKLCH | oklch(89.6% 0.05 265.4) |
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 #CDDDFF | 1.36:1 | Fails | Lc -20.4 | Dividers and decoration only |
| Black text on #CDDDFF | 15.38:1 | AAA | Lc 85.8 | Fine for body text |
| #CDDDFF text on white | 1.36:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #CDDDFF text on black | 15.38:1 | AAA | Lc -85.7 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200 (this color)
#CDDDFF
oklch(89.6% 0.05 265.4)
-
Step 300
300
#ADC1EB
oklch(81% 0.064 265)
-
Step 400
400
#829FE1
oklch(70.7% 0.103 265.7)
-
Step 500
500
#6386D9
oklch(63.1% 0.132 265.5)
-
Step 600
600
#4A6EC6
oklch(55.6% 0.143 265.3)
-
Step 700
700
#3C5CAB
oklch(49.2% 0.132 265.3)
-
Step 800
800
#314B8B
oklch(42.7% 0.111 265.4)
-
Step 900
900
#2B3F6F
oklch(37.6% 0.086 265.4)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#CDDDFF 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) | #D3DFFF | 0.010 |
| Deuteranopia (no green cones) | #CEDAFE | 0.007 |
| Tritanopia (no blue cones) | #C1E4E8 | 0.045 |
| Achromatopsia (no color) | #DCDCDC | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDDFF
#CDDDFF
oklch(89.6% 0.05 265.4)
- #ECDBB8
#ECDBB8
oklch(89.6% 0.05 85.1)
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 #CDDDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.050
- Gainsboro #DCDCDC ΔE 0.050
- Pale Lilac #E4CBFF ΔE 0.053
- Pale Lavender #EECFFE ΔE 0.054
- Powder Blue #B0E0E6 ΔE 0.054
- Pale Silver #D8E2DC ΔE 0.056
- Light Blue #ADD8E6 ΔE 0.056
Use #CDDDFF 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.