#CFDDF5
Closest named color: Gainsboro (#DCDCDC). oklch(89.4% 0.036 261.3), rgb(207, 221, 245).
Aa
Black text reads best on this color (15.31:1).
About this color
#CFDDF5 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.036 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.036 away. Black text reads best on it, at 15.31:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.31:1 |
| White text | 1.37:1 |
Values
| HEX | #CFDDF5 |
| RGB | rgb(207, 221, 245) |
| HSL | hsl(218, 66%, 89%) |
| OKLCH | oklch(89.4% 0.036 261.3) |
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 #CFDDF5 | 1.37:1 | Fails | Lc -20.7 | Dividers and decoration only |
| Black text on #CFDDF5 | 15.31:1 | AAA | Lc 85.5 | Fine for body text |
| #CFDDF5 text on white | 1.37:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #CFDDF5 text on black | 15.31:1 | AAA | Lc -85.4 | 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
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200 (this color)
#CFDDF5
oklch(89.4% 0.036 261.3)
-
Step 300
300
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400
#87A1D0
oklch(70.7% 0.075 262.1)
-
Step 500
500
#698AC3
oklch(63.2% 0.094 261)
-
Step 600
600
#5073B0
oklch(55.7% 0.104 261)
-
Step 700
700
#416097
oklch(49.1% 0.096 261.2)
-
Step 800
800
#364E7B
oklch(42.6% 0.081 262.2)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1B263A
oklch(26.9% 0.041 261.9)
#CFDDF5 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) | #D6DEF6 | 0.010 |
| Deuteranopia (no green cones) | #D2DAF4 | 0.008 |
| Tritanopia (no blue cones) | #C6E2E5 | 0.032 |
| Achromatopsia (no color) | #DCDCDC | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDDF5
#CFDDF5
oklch(89.4% 0.036 261.3)
- #E9DAC2
#E9DAC2
oklch(89.4% 0.036 79.7)
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 #CFDDF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.036
- Cadet Gray #CED4DA ΔE 0.038
- Lavender #E6E6FA ΔE 0.040
- Pale Silver #D8E2DC ΔE 0.042
- Platinum #E0E1DD ΔE 0.043
- Light Gray #D3D3D3 ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.050
Use #CFDDF5 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.