#CDDDF5
Closest named color: Gainsboro (#DCDCDC). oklch(89.3% 0.037 258.4), rgb(205, 221, 245).
Aa
Black text reads best on this color (15.25:1).
About this color
#CDDDF5 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.037 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.037 away. Black text reads best on it, at 15.25:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.25:1 |
| White text | 1.37:1 |
Values
| HEX | #CDDDF5 |
| RGB | rgb(205, 221, 245) |
| HSL | hsl(216, 67%, 88%) |
| OKLCH | oklch(89.3% 0.037 258.4) |
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 #CDDDF5 | 1.37:1 | Fails | Lc -21.0 | Dividers and decoration only |
| Black text on #CDDDF5 | 15.25:1 | AAA | Lc 85.3 | Fine for body text |
| #CDDDF5 text on white | 1.37:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #CDDDF5 text on black | 15.25:1 | AAA | Lc -85.2 | 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
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200 (this color)
#CDDDF5
oklch(89.3% 0.037 258.4)
-
Step 300
300
#AEC2E0
oklch(80.9% 0.048 258.4)
-
Step 400
400
#83A2D1
oklch(70.7% 0.077 258.5)
-
Step 500
500
#648BC5
oklch(63.2% 0.098 258.1)
-
Step 600
600
#4B74B1
oklch(55.7% 0.106 258.1)
-
Step 700
700
#3C6198
oklch(49.1% 0.098 258.1)
-
Step 800
800
#324F7B
oklch(42.6% 0.081 258.5)
-
Step 900
900
#2C4263
oklch(37.7% 0.063 258.3)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#CDDDF5 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) | #D5DEF6 | 0.011 |
| Deuteranopia (no green cones) | #D1DAF4 | 0.009 |
| Tritanopia (no blue cones) | #C3E2E5 | 0.033 |
| Achromatopsia (no color) | #DCDCDC | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDDF5
#CDDDF5
oklch(89.3% 0.037 258.4)
- #EAD9C1
#EAD9C1
oklch(89.3% 0.037 76.6)
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 #CDDDF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.037
- Cadet Gray #CED4DA ΔE 0.037
- Lavender #E6E6FA ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.043
- Platinum #E0E1DD ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.044
- Light Gray #D3D3D3 ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.048
Use #CDDDF5 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.