#CDDCEE
Closest named color: Cadet Gray (#CED4DA). oklch(88.9% 0.03 253), rgb(205, 220, 238).
Aa
Black text reads best on this color (15.06:1).
About this color
#CDDCEE is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.029 away. Black text reads best on it, at 15.06:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.06:1 |
| White text | 1.39:1 |
Values
| HEX | #CDDCEE |
| RGB | rgb(205, 220, 238) |
| HSL | hsl(213, 49%, 87%) |
| OKLCH | oklch(88.9% 0.03 253) |
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 #CDDCEE | 1.39:1 | Fails | Lc -21.8 | Dividers and decoration only |
| Black text on #CDDCEE | 15.06:1 | AAA | Lc 84.6 | Fine for body text |
| #CDDCEE text on white | 1.39:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #CDDCEE text on black | 15.06:1 | AAA | Lc -84.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200 (this color)
#CDDCEE
oklch(88.9% 0.03 253)
-
Step 300
300
#B0C3D9
oklch(81% 0.037 252.1)
-
Step 400
400
#86A3C6
oklch(70.6% 0.061 253.4)
-
Step 500
500
#678CB8
oklch(63% 0.079 253.3)
-
Step 600
600
#4E76A4
oklch(55.6% 0.085 252.7)
-
Step 700
700
#3F638C
oklch(49.1% 0.078 252.6)
-
Step 800
800
#345172
oklch(42.7% 0.065 252.5)
-
Step 900
900
#2E435C
oklch(37.7% 0.051 253.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#CDDCEE 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) | #D6DCEF | 0.012 |
| Deuteranopia (no green cones) | #D2D9EE | 0.010 |
| Tritanopia (no blue cones) | #C5E0E2 | 0.025 |
| Achromatopsia (no color) | #DADADA | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDCEE
#CDDCEE
oklch(88.9% 0.03 253)
- #E7D8C5
#E7D8C5
oklch(88.9% 0.03 73.9)
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 #CDDCEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.029
- Gainsboro #DCDCDC ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.036
- Light Gray #D3D3D3 ΔE 0.037
- Platinum #E0E1DD ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.044
- Lavender #E6E6FA ΔE 0.045
Use #CDDCEE 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.