#E4F0FD
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.022 250.2), rgb(228, 240, 253).
Aa
Black text reads best on this color (18.18:1).
About this color
#E4F0FD is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.018 away. Black text reads best on it, at 18.18:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.18:1 |
| White text | 1.15:1 |
Values
| HEX | #E4F0FD |
| RGB | rgb(228, 240, 253) |
| HSL | hsl(211, 86%, 94%) |
| OKLCH | oklch(95% 0.022 250.2) |
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 #E4F0FD | 1.15:1 | Fails | Lc -8.6 | Not readable |
| Black text on #E4F0FD | 18.18:1 | AAA | Lc 96.2 | Preferred for body text |
| #E4F0FD text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #E4F0FD text on black | 18.18:1 | AAA | Lc -97.1 | 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 100.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100 (this color)
#E4F0FD
oklch(95% 0.022 250.2)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400
#8CA3BC
oklch(70.6% 0.045 250.6)
-
Step 500
500
#6F8DAB
oklch(63.2% 0.057 248.7)
-
Step 600
600
#577697
oklch(55.5% 0.063 250.5)
-
Step 700
700
#476381
oklch(49% 0.059 250.8)
-
Step 800
800
#3B5169
oklch(42.7% 0.048 251.1)
-
Step 900
900
#334355
oklch(37.7% 0.037 251.8)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#E4F0FD 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) | #EBF0FE | 0.009 |
| Deuteranopia (no green cones) | #E9EDFD | 0.010 |
| Tritanopia (no blue cones) | #DEF3F4 | 0.019 |
| Achromatopsia (no color) | #EEEEEE | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4F0FD
#E4F0FD
oklch(95% 0.022 250.2)
- #F8ECDF
#F8ECDF
oklch(94.9% 0.022 69.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #E4F0FD
These curated palettes and gradients contain exactly #E4F0FD. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.018
- Lavender #E6E6FA ΔE 0.025
- Alice Blue #F0F8FF ΔE 0.027
- White Smoke #F5F5F5 ΔE 0.030
- Ghost White #F8F8FF ΔE 0.035
- Lavender Blush #FFF0F5 ΔE 0.036
- Cultured #F8F9FA ΔE 0.037
- Light Cyan #E0FFFF ΔE 0.038
Use #E4F0FD 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.