#CDE5FB
Closest named color: Lavender (#E6E6FA). oklch(91.1% 0.04 245.9), rgb(205, 229, 251).
Aa
Black text reads best on this color (16.19:1).
About this color
#CDE5FB is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.040 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.032 away. Black text reads best on it, at 16.19:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 16.19:1 |
| White text | 1.29:1 |
Values
| HEX | #CDE5FB |
| RGB | rgb(205, 229, 251) |
| HSL | hsl(209, 85%, 89%) |
| OKLCH | oklch(91.1% 0.04 245.9) |
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 #CDE5FB | 1.29:1 | Fails | Lc -16.9 | Dividers and decoration only |
| Black text on #CDE5FB | 16.19:1 | AAA | Lc 88.9 | Fine for body text |
| #CDE5FB text on white | 1.29:1 | Fails | Lc 14.7 | Not readable |
| #CDE5FB text on black | 16.19:1 | AAA | Lc -89.1 | 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 100.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100 (this color)
#CDE5FB
oklch(91.1% 0.04 245.9)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A6C5E0
oklch(81% 0.051 244.8)
-
Step 400
400
#76A6D1
oklch(70.7% 0.082 246.3)
-
Step 500
500
#508FC4
oklch(63% 0.103 245.8)
-
Step 600
600
#3178B1
oklch(55.5% 0.113 246.2)
-
Step 700
700
#236598
oklch(49.1% 0.105 245.9)
-
Step 800
800
#1F537B
oklch(42.7% 0.086 245.2)
-
Step 900
900
#204563
oklch(37.8% 0.067 245.4)
-
Step 950
950
#13283A
oklch(26.9% 0.043 246.2)
#CDE5FB 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) | #DDE5FC | 0.020 |
| Deuteranopia (no green cones) | #D7E0FB | 0.017 |
| Tritanopia (no blue cones) | #C1EAEC | 0.032 |
| Achromatopsia (no color) | #E2E2E2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE5FB
#CDE5FB
oklch(91.1% 0.04 245.9)
- #F5DDC7
#F5DDC7
oklch(91.1% 0.04 64.8)
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 #CDE5FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.032
- Diamond #B9F2FF ΔE 0.038
- Pale Silver #D8E2DC ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.043
- Platinum #E0E1DD ΔE 0.043
- Pale Sky Blue #BDF6FE ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.049
Use #CDE5FB 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.