#CDDCF0
Closest named color: Cadet Gray (#CED4DA). oklch(88.9% 0.032 255.6), rgb(205, 220, 240).
Aa
Black text reads best on this color (15.09:1).
About this color
#CDDCF0 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.032 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.031 away. Black text reads best on it, at 15.09:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.09:1 |
| White text | 1.39:1 |
Values
| HEX | #CDDCF0 |
| RGB | rgb(205, 220, 240) |
| HSL | hsl(214, 54%, 87%) |
| OKLCH | oklch(88.9% 0.032 255.6) |
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 #CDDCF0 | 1.39:1 | Fails | Lc -21.7 | Dividers and decoration only |
| Black text on #CDDCF0 | 15.09:1 | AAA | Lc 84.7 | Fine for body text |
| #CDDCF0 text on white | 1.39:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #CDDCF0 text on black | 15.09:1 | AAA | Lc -84.5 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200 (this color)
#CDDCF0
oklch(88.9% 0.032 255.6)
-
Step 300
300
#B0C2DB
oklch(80.8% 0.041 256.6)
-
Step 400
400
#86A3CA
oklch(70.8% 0.066 255.9)
-
Step 500
500
#678CBC
oklch(63.2% 0.084 255.2)
-
Step 600
600
#4E75A8
oklch(55.6% 0.091 255.5)
-
Step 700
700
#3F6290
oklch(49.1% 0.085 255.7)
-
Step 800
800
#345075
oklch(42.6% 0.071 255.8)
-
Step 900
900
#2E435E
oklch(37.8% 0.054 255.1)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#CDDCF0 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) | #D5DCF1 | 0.011 |
| Deuteranopia (no green cones) | #D2D9F0 | 0.010 |
| Tritanopia (no blue cones) | #C5E0E2 | 0.028 |
| Achromatopsia (no color) | #DADADA | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDCF0
#CDDCF0
oklch(88.9% 0.032 255.6)
- #E7D8C4
#E7D8C4
oklch(88.9% 0.032 75.2)
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 #CDDCF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.031
- Gainsboro #DCDCDC ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.039
- Light Gray #D3D3D3 ΔE 0.039
- Platinum #E0E1DD ΔE 0.041
- Powder Blue #B0E0E6 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.044
- Lavender #E6E6FA ΔE 0.045
Use #CDDCF0 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.