#CDDCF3
Closest named color: Cadet Gray (#CED4DA). oklch(89% 0.036 258.9), rgb(205, 220, 243).
Aa
Black text reads best on this color (15.12:1).
About this color
#CDDCF3 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.036 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.034 away. Black text reads best on it, at 15.12:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.12:1 |
| White text | 1.38:1 |
Values
| HEX | #CDDCF3 |
| RGB | rgb(205, 220, 243) |
| HSL | hsl(216, 61%, 88%) |
| OKLCH | oklch(89% 0.036 258.9) |
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 #CDDCF3 | 1.38:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #CDDCF3 | 15.12:1 | AAA | Lc 84.8 | Fine for body text |
| #CDDCF3 text on white | 1.38:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #CDDCF3 text on black | 15.12:1 | AAA | Lc -84.6 | 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)
#CDDCF3
oklch(89% 0.036 258.9)
-
Step 300
300
#AFC2DF
oklch(80.9% 0.046 258.8)
-
Step 400
400
#85A2CF
oklch(70.7% 0.074 259)
-
Step 500
500
#668AC2
oklch(63% 0.094 259)
-
Step 600
600
#4E74AE
oklch(55.7% 0.101 258.6)
-
Step 700
700
#3F6196
oklch(49.2% 0.094 259)
-
Step 800
800
#344F7A
oklch(42.7% 0.079 259.4)
-
Step 900
900
#2D4262
oklch(37.7% 0.061 258.6)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#CDDCF3 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) | #D5DDF4 | 0.011 |
| Deuteranopia (no green cones) | #D1D9F2 | 0.009 |
| Tritanopia (no blue cones) | #C4E1E3 | 0.032 |
| Achromatopsia (no color) | #DBDBDB | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDCF3
#CDDCF3
oklch(89% 0.036 258.9)
- #E8D9C1
#E8D9C1
oklch(89.1% 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 #CDDCF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.034
- Gainsboro #DCDCDC ΔE 0.036
- Pale Silver #D8E2DC ΔE 0.042
- Light Gray #D3D3D3 ΔE 0.043
- Powder Blue #B0E0E6 ΔE 0.043
- Platinum #E0E1DD ΔE 0.044
- Lavender #E6E6FA ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.046
Use #CDDCF3 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.