#E4ECFF
Closest named color: Lavender (#E6E6FA). oklch(94.3% 0.027 267.5), rgb(228, 236, 255).
Aa
Black text reads best on this color (17.74:1).
About this color
#E4ECFF is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Lavender (#E6E6FA), ΔE 0.015 away. Black text reads best on it, at 17.74:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 17.74:1 |
| White text | 1.18:1 |
Values
| HEX | #E4ECFF |
| RGB | rgb(228, 236, 255) |
| HSL | hsl(222, 100%, 95%) |
| OKLCH | oklch(94.3% 0.027 267.5) |
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 #E4ECFF | 1.18:1 | Fails | Lc -10.4 | Not readable |
| Black text on #E4ECFF | 17.74:1 | AAA | Lc 94.6 | Preferred for body text |
| #E4ECFF text on white | 1.18:1 | Fails | Lc 8.9 | Not readable |
| #E4ECFF text on black | 17.74:1 | AAA | Lc -95.3 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100 (this color)
#E4ECFF
oklch(94.3% 0.027 267.5)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B7C0D8
oklch(80.8% 0.035 269.2)
-
Step 400
400
#91A0C4
oklch(70.7% 0.056 267.2)
-
Step 500
500
#7688B5
oklch(63% 0.071 267.5)
-
Step 600
600
#5F72A1
oklch(55.6% 0.077 267)
-
Step 700
700
#4F5F8A
oklch(49.1% 0.072 268.1)
-
Step 800
800
#414E70
oklch(42.8% 0.059 267.8)
-
Step 900
900
#37415B
oklch(37.8% 0.047 267.9)
-
Step 950
950
#202635
oklch(27% 0.029 267.5)
#E4ECFF 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) | #E7EDFF | 0.005 |
| Deuteranopia (no green cones) | #E4EBFF | 0.003 |
| Tritanopia (no blue cones) | #DEF0F2 | 0.025 |
| Achromatopsia (no color) | #ECECEC | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4ECFF
#E4ECFF
oklch(94.3% 0.027 267.5)
- #F4EBD8
#F4EBD8
oklch(94.2% 0.027 85.7)
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 #E4ECFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.015
- Anti-Flash White #EDF2F4 ΔE 0.028
- Alice Blue #F0F8FF ΔE 0.036
- White Smoke #F5F5F5 ΔE 0.039
- Lavender Blush #FFF0F5 ΔE 0.041
- Ghost White #F8F8FF ΔE 0.043
- Cultured #F8F9FA ΔE 0.047
- Linen #FAF0E6 ΔE 0.047
Use #E4ECFF 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.