#CDE1FB
Closest named color: Lavender (#E6E6FA). oklch(90.3% 0.042 255), rgb(205, 225, 251).
Aa
Black text reads best on this color (15.75:1).
About this color
#CDE1FB is a very light, muted blue. In OKLCH its lightness is 90%, its chroma 0.042 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.036 away. Black text reads best on it, at 15.75:1.
| Hue family | Blues |
| Lightness | very light (90%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 15.75:1 |
| White text | 1.33:1 |
Values
| HEX | #CDE1FB |
| RGB | rgb(205, 225, 251) |
| HSL | hsl(214, 85%, 89%) |
| OKLCH | oklch(90.3% 0.042 255) |
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 #CDE1FB | 1.33:1 | Fails | Lc -18.8 | Dividers and decoration only |
| Black text on #CDE1FB | 15.75:1 | AAA | Lc 87.3 | Fine for body text |
| #CDE1FB text on white | 1.33:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #CDE1FB text on black | 15.75:1 | AAA | Lc -87.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200 (this color)
#CDE1FB
oklch(90.3% 0.042 255)
-
Step 300
300
#AAC3E3
oklch(80.9% 0.053 254.7)
-
Step 400
400
#7CA3D6
oklch(70.7% 0.087 255.4)
-
Step 500
500
#5A8CCB
oklch(63.2% 0.11 254.8)
-
Step 600
600
#3F75B7
oklch(55.7% 0.118 254.6)
-
Step 700
700
#31629E
oklch(49.2% 0.11 254.8)
-
Step 800
800
#295080
oklch(42.7% 0.092 254.8)
-
Step 900
900
#264367
oklch(37.8% 0.071 254.7)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#CDE1FB 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) | #D8E2FC | 0.015 |
| Deuteranopia (no green cones) | #D3DDFA | 0.012 |
| Tritanopia (no blue cones) | #C1E7E9 | 0.037 |
| Achromatopsia (no color) | #DFDFDF | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE1FB
#CDE1FB
oklch(90.3% 0.042 255)
- #F0DCC1
#F0DCC1
oklch(90.4% 0.042 75.4)
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 #CDE1FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.036
- Gainsboro #DCDCDC ΔE 0.043
- Pale Silver #D8E2DC ΔE 0.045
- Platinum #E0E1DD ΔE 0.046
- Diamond #B9F2FF ΔE 0.047
- Cadet Gray #CED4DA ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.055
Use #CDE1FB 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.