#CADEF9
Closest named color: Cadet Gray (#CED4DA). oklch(89.4% 0.043 255.9), rgb(202, 222, 249).
Aa
Black text reads best on this color (15.32:1).
About this color
#CADEF9 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.043 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.042 away. Black text reads best on it, at 15.32:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.32:1 |
| White text | 1.37:1 |
Values
| HEX | #CADEF9 |
| RGB | rgb(202, 222, 249) |
| HSL | hsl(214, 80%, 88%) |
| OKLCH | oklch(89.4% 0.043 255.9) |
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 #CADEF9 | 1.37:1 | Fails | Lc -20.7 | Dividers and decoration only |
| Black text on #CADEF9 | 15.32:1 | AAA | Lc 85.6 | Fine for body text |
| #CADEF9 text on white | 1.37:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #CADEF9 text on black | 15.32:1 | AAA | Lc -85.5 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200 (this color)
#CADEF9
oklch(89.4% 0.043 255.9)
-
Step 300
300
#AAC3E5
oklch(81% 0.055 256.1)
-
Step 400
400
#7CA3D7
oklch(70.7% 0.088 255.8)
-
Step 500
500
#5A8BCD
oklch(63.1% 0.113 256.2)
-
Step 600
600
#3F74BA
oklch(55.6% 0.123 256.1)
-
Step 700
700
#3161A0
oklch(49.1% 0.114 256.1)
-
Step 800
800
#294F82
oklch(42.6% 0.096 256.4)
-
Step 900
900
#264268
oklch(37.6% 0.074 256.4)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#CADEF9 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) | #D5DFFA | 0.015 |
| Deuteranopia (no green cones) | #D0DAF8 | 0.012 |
| Tritanopia (no blue cones) | #BEE4E7 | 0.037 |
| Achromatopsia (no color) | #DCDCDC | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CADEF9
#CADEF9
oklch(89.4% 0.043 255.9)
- #EDD9BD
#EDD9BD
oklch(89.4% 0.043 76.3)
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 #CADEF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.043
- Lavender #E6E6FA ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.044
- Pale Silver #D8E2DC ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.048
- Platinum #E0E1DD ΔE 0.049
- Light Gray #D3D3D3 ΔE 0.051
Use #CADEF9 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.