#CFDDF1
Closest named color: Gainsboro (#DCDCDC). oklch(89.3% 0.031 257.2), rgb(207, 221, 241).
Aa
Black text reads best on this color (15.26:1).
About this color
#CFDDF1 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.031 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.031 away. Black text reads best on it, at 15.26:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.26:1 |
| White text | 1.37:1 |
Values
| HEX | #CFDDF1 |
| RGB | rgb(207, 221, 241) |
| HSL | hsl(215, 55%, 88%) |
| OKLCH | oklch(89.3% 0.031 257.2) |
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 #CFDDF1 | 1.37:1 | Fails | Lc -21.0 | Dividers and decoration only |
| Black text on #CFDDF1 | 15.26:1 | AAA | Lc 85.3 | Fine for body text |
| #CFDDF1 text on white | 1.37:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #CFDDF1 text on black | 15.26:1 | AAA | Lc -85.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200 (this color)
#CFDDF1
oklch(89.3% 0.031 257.2)
-
Step 300
300
#B1C2DB
oklch(80.9% 0.04 257.9)
-
Step 400
400
#87A2C9
oklch(70.6% 0.065 257.5)
-
Step 500
500
#698BBB
oklch(63% 0.082 257)
-
Step 600
600
#5175A7
oklch(55.7% 0.088 256.8)
-
Step 700
700
#416290
oklch(49.2% 0.084 256.9)
-
Step 800
800
#365075
oklch(42.8% 0.07 257.2)
-
Step 900
900
#2F425E
oklch(37.6% 0.054 257.9)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#CFDDF1 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) | #D6DEF2 | 0.010 |
| Deuteranopia (no green cones) | #D3DAF1 | 0.009 |
| Tritanopia (no blue cones) | #C7E1E3 | 0.028 |
| Achromatopsia (no color) | #DCDCDC | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDDF1
#CFDDF1
oklch(89.3% 0.031 257.2)
- #E8DAC5
#E8DAC5
oklch(89.4% 0.032 78.1)
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 #CFDDF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.031
- Cadet Gray #CED4DA ΔE 0.033
- Pale Silver #D8E2DC ΔE 0.037
- Platinum #E0E1DD ΔE 0.039
- Lavender #E6E6FA ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.048
Use #CFDDF1 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.