#ECF8FE
Closest named color: Alice Blue (#F0F8FF). oklch(97.2% 0.015 229), rgb(236, 248, 254).
Aa
Black text reads best on this color (19.42:1).
About this color
#ECF8FE is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.005 away. Black text reads best on it, at 19.42:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.42:1 |
| White text | 1.08:1 |
Values
| HEX | #ECF8FE |
| RGB | rgb(236, 248, 254) |
| HSL | hsl(200, 90%, 96%) |
| OKLCH | oklch(97.2% 0.015 229) |
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 #ECF8FE | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF8FE | 19.42:1 | AAA | Lc 100.6 | Preferred for body text |
| #ECF8FE text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #ECF8FE text on black | 19.42:1 | AAA | Lc -101.9 | Preferred 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 50.
-
Step 50
50 (this color)
#ECF8FE
oklch(97.2% 0.015 229)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B4C3CB
oklch(80.8% 0.02 230.8)
-
Step 400
400
#8DA5B0
oklch(70.7% 0.031 227.2)
-
Step 500
500
#718F9D
oklch(63.2% 0.04 228)
-
Step 600
600
#597988
oklch(55.7% 0.043 228.5)
-
Step 700
700
#496573
oklch(49% 0.04 230.2)
-
Step 800
800
#3C535E
oklch(42.8% 0.033 229)
-
Step 900
900
#33444D
oklch(37.6% 0.027 231.4)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#ECF8FE 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) | #F5F7FE | 0.012 |
| Deuteranopia (no green cones) | #F2F5FE | 0.010 |
| Tritanopia (no blue cones) | #E8FAFA | 0.010 |
| Achromatopsia (no color) | #F6F6F6 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF8FE
#ECF8FE
oklch(97.2% 0.015 229)
- #FFF3ED
#FFF3ED
oklch(97.2% 0.015 48.6)
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 #ECF8FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.005
- White Smoke #F5F5F5 ΔE 0.015
- Ghost White #F8F8FF ΔE 0.016
- Cultured #F8F9FA ΔE 0.017
- Anti-Flash White #EDF2F4 ΔE 0.017
- Azure #F0FFFF ΔE 0.019
- Light Cyan #E0FFFF ΔE 0.022
- Mint Cream #F5FFFA ΔE 0.024
Use #ECF8FE 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.