#ECFAFD
Closest named color: Alice Blue (#F0F8FF). oklch(97.6% 0.015 212), rgb(236, 250, 253).
Aa
Black text reads best on this color (19.65:1).
About this color
#ECFAFD is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.008 away. Black text reads best on it, at 19.65:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.65:1 |
| White text | 1.06:1 |
Values
| HEX | #ECFAFD |
| RGB | rgb(236, 250, 253) |
| HSL | hsl(191, 81%, 96%) |
| OKLCH | oklch(97.6% 0.015 212) |
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 #ECFAFD | 1.06:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECFAFD | 19.65:1 | AAA | Lc 101.5 | Preferred for body text |
| #ECFAFD text on white | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #ECFAFD text on black | 19.65:1 | AAA | Lc -102.8 | 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)
#ECFAFD
oklch(97.6% 0.015 212)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B3C4C8
oklch(80.9% 0.019 213.4)
-
Step 400
400
#8BA6AC
oklch(70.7% 0.031 212.7)
-
Step 500
500
#6E9098
oklch(63.1% 0.04 213.7)
-
Step 600
600
#557A82
oklch(55.5% 0.043 212.6)
-
Step 700
700
#45676E
oklch(49.1% 0.041 211.9)
-
Step 800
800
#39545A
oklch(42.7% 0.034 213)
-
Step 900
900
#31454A
oklch(37.6% 0.027 214.9)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#ECFAFD 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) | #F7F9FD | 0.014 |
| Deuteranopia (no green cones) | #F4F6FD | 0.014 |
| Tritanopia (no blue cones) | #E8FBFB | 0.007 |
| Achromatopsia (no color) | #F7F7F7 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECFAFD
#ECFAFD
oklch(97.6% 0.015 212)
- #FFF4F2
#FFF4F2
oklch(97.5% 0.012 29.9)
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 #ECFAFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.008
- Azure #F0FFFF ΔE 0.014
- Cultured #F8F9FA ΔE 0.015
- White Smoke #F5F5F5 ΔE 0.016
- Ghost White #F8F8FF ΔE 0.017
- Light Cyan #E0FFFF ΔE 0.018
- Mint Cream #F5FFFA ΔE 0.019
- Anti-Flash White #EDF2F4 ΔE 0.020
Use #ECFAFD 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.