#CDDFEB
Closest named color: Gainsboro (#DCDCDC). oklch(89.4% 0.025 236.9), rgb(205, 223, 235).
Aa
Black text reads best on this color (15.35:1).
About this color
#CDDFEB is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.025 away. Black text reads best on it, at 15.35:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.35:1 |
| White text | 1.36:1 |
Values
| HEX | #CDDFEB |
| RGB | rgb(205, 223, 235) |
| HSL | hsl(204, 43%, 86%) |
| OKLCH | oklch(89.4% 0.025 236.9) |
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 #CDDFEB | 1.36:1 | Fails | Lc -20.6 | Dividers and decoration only |
| Black text on #CDDFEB | 15.35:1 | AAA | Lc 85.7 | Fine for body text |
| #CDDFEB text on white | 1.36:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #CDDFEB text on black | 15.35:1 | AAA | Lc -85.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200 (this color)
#CDDFEB
oklch(89.4% 0.025 236.9)
-
Step 300
300
#AEC4D3
oklch(80.8% 0.032 237.7)
-
Step 400
400
#82A6BD
oklch(70.7% 0.052 236.5)
-
Step 500
500
#6290AD
oklch(63.1% 0.066 236.9)
-
Step 600
600
#477A99
oklch(55.7% 0.073 236.8)
-
Step 700
700
#386682
oklch(49% 0.068 237.1)
-
Step 800
800
#2F546A
oklch(42.8% 0.056 236.2)
-
Step 900
900
#2A4556
oklch(37.6% 0.044 237.2)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#CDDFEB 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) | #DADEEC | 0.017 |
| Deuteranopia (no green cones) | #D6DBEB | 0.015 |
| Tritanopia (no blue cones) | #C5E2E3 | 0.019 |
| Achromatopsia (no color) | #DCDCDC | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDFEB
#CDDFEB
oklch(89.4% 0.025 236.9)
- #EAD8CC
#EAD8CC
oklch(89.4% 0.026 56)
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 #CDDFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.025
- Pale Silver #D8E2DC ΔE 0.028
- Cadet Gray #CED4DA ΔE 0.031
- Platinum #E0E1DD ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.037
- Lavender #E6E6FA ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.046
Use #CDDFEB 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.