#CFDEF8
Closest named color: Lavender (#E6E6FA). oklch(89.7% 0.039 261.5), rgb(207, 222, 248).
Aa
Black text reads best on this color (15.45:1).
About this color
#CFDEF8 is a light, muted blue. In OKLCH its lightness is 90%, its chroma 0.039 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.038 away. Black text reads best on it, at 15.45:1.
| Hue family | Blues |
| Lightness | light (90%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 15.45:1 |
| White text | 1.35:1 |
Values
| HEX | #CFDEF8 |
| RGB | rgb(207, 222, 248) |
| HSL | hsl(218, 75%, 89%) |
| OKLCH | oklch(89.7% 0.039 261.5) |
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 #CFDEF8 | 1.35:1 | Fails | Lc -20.1 | Dividers and decoration only |
| Black text on #CFDEF8 | 15.45:1 | AAA | Lc 86.1 | Fine for body text |
| #CFDEF8 text on white | 1.35:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #CFDEF8 text on black | 15.45:1 | AAA | Lc -86.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200 (this color)
#CFDEF8
oklch(89.7% 0.039 261.5)
-
Step 300
300
#AFC1E2
oklch(80.8% 0.051 262.6)
-
Step 400
400
#85A1D4
oklch(70.7% 0.081 262.2)
-
Step 500
500
#6689C8
oklch(63.1% 0.103 261.6)
-
Step 600
600
#4D72B5
oklch(55.6% 0.113 261.5)
-
Step 700
700
#3E5F9C
oklch(49% 0.106 261.8)
-
Step 800
800
#344E7E
oklch(42.7% 0.086 261.8)
-
Step 900
900
#2D4165
oklch(37.6% 0.067 261.5)
-
Step 950
950
#1B263B
oklch(26.9% 0.042 262.7)
#CFDEF8 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) | #D6DFF9 | 0.010 |
| Deuteranopia (no green cones) | #D2DBF7 | 0.008 |
| Tritanopia (no blue cones) | #C5E3E6 | 0.035 |
| Achromatopsia (no color) | #DDDDDD | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDEF8
#CFDEF8
oklch(89.7% 0.039 261.5)
- #EBDBC1
#EBDBC1
oklch(89.8% 0.039 80)
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 #CFDEF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.038
- Gainsboro #DCDCDC ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.044
- Platinum #E0E1DD ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.048
- Light Gray #D3D3D3 ΔE 0.050
- Light Blue #ADD8E6 ΔE 0.053
Use #CFDEF8 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.