#CFDDFB
Closest named color: Lavender (#E6E6FA). oklch(89.6% 0.044 265.6), rgb(207, 221, 251).
Aa
Black text reads best on this color (15.38:1).
About this color
#CFDDFB is a light, muted blue. In OKLCH its lightness is 90%, its chroma 0.044 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.040 away. Black text reads best on it, at 15.38:1.
| Hue family | Blues |
| Lightness | light (90%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 15.38:1 |
| White text | 1.36:1 |
Values
| HEX | #CFDDFB |
| RGB | rgb(207, 221, 251) |
| HSL | hsl(221, 85%, 90%) |
| OKLCH | oklch(89.6% 0.044 265.6) |
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 #CFDDFB | 1.36:1 | Fails | Lc -20.4 | Dividers and decoration only |
| Black text on #CFDDFB | 15.38:1 | AAA | Lc 85.8 | Fine for body text |
| #CFDDFB text on white | 1.36:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #CFDDFB 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200 (this color)
#CFDDFB
oklch(89.6% 0.044 265.6)
-
Step 300
300
#AFC1E6
oklch(81% 0.056 264.7)
-
Step 400
400
#86A0DA
oklch(70.8% 0.09 265.6)
-
Step 500
500
#6887D0
oklch(63.2% 0.116 265.7)
-
Step 600
600
#506FBD
oklch(55.5% 0.127 266.1)
-
Step 700
700
#405DA3
oklch(49.1% 0.117 265.4)
-
Step 800
800
#354C84
oklch(42.7% 0.097 265.6)
-
Step 900
900
#2E406A
oklch(37.7% 0.076 265.4)
-
Step 950
950
#1B263E
oklch(27.1% 0.048 264.7)
#CFDDFB 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) | #D4DFFC | 0.009 |
| Deuteranopia (no green cones) | #D0DBFA | 0.005 |
| Tritanopia (no blue cones) | #C5E3E7 | 0.039 |
| Achromatopsia (no color) | #DDDDDD | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDDFB
#CFDDFB
oklch(89.6% 0.044 265.6)
- #EADBBC
#EADBBC
oklch(89.6% 0.044 85.2)
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 #CFDDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.040
- Gainsboro #DCDCDC ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.050
- Platinum #E0E1DD ΔE 0.050
- Powder Blue #B0E0E6 ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.053
- Pale Lavender #EECFFE ΔE 0.054
Use #CFDDFB 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.