#E4F2EF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.015 181.8), rgb(228, 242, 239).
Aa
Black text reads best on this color (18.24:1).
About this color
#E4F2EF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.014 away. Black text reads best on it, at 18.24:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.24:1 |
| White text | 1.15:1 |
Values
| HEX | #E4F2EF |
| RGB | rgb(228, 242, 239) |
| HSL | hsl(167, 35%, 92%) |
| OKLCH | oklch(95% 0.015 181.8) |
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 #E4F2EF | 1.15:1 | Fails | Lc -8.3 | Not readable |
| Black text on #E4F2EF | 18.24:1 | AAA | Lc 96.5 | Preferred for body text |
| #E4F2EF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #E4F2EF text on black | 18.24:1 | AAA | Lc -97.3 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100 (this color)
#E4F2EF
oklch(95% 0.015 181.8)
-
Step 200
200
#D2DCD9
oklch(88.6% 0.012 176.3)
-
Step 300
300
#B4C5C1
oklch(80.9% 0.019 180.1)
-
Step 400
400
#8CA7A2
oklch(70.6% 0.031 183)
-
Step 500
500
#6F928B
oklch(63.2% 0.04 181.3)
-
Step 600
600
#567C75
oklch(55.6% 0.044 181.9)
-
Step 700
700
#466962
oklch(49.2% 0.042 180.6)
-
Step 800
800
#3A5550
oklch(42.6% 0.034 181.9)
-
Step 900
900
#324642
oklch(37.6% 0.026 181.1)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#E4F2EF 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) | #F1F0EF | 0.017 |
| Deuteranopia (no green cones) | #EEEEEF | 0.016 |
| Tritanopia (no blue cones) | #E1F3F1 | 0.004 |
| Achromatopsia (no color) | #EFEFEF | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4F2EF
#E4F2EF
oklch(95% 0.015 181.8)
- #F8EAEE
#F8EAEE
oklch(94.9% 0.016 358)
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 #E4F2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.014
- White Smoke #F5F5F5 ΔE 0.025
- Linen #FAF0E6 ΔE 0.029
- Alice Blue #F0F8FF ΔE 0.029
- Light Cyan #E0FFFF ΔE 0.033
- Ice #D6FFFA ΔE 0.034
- Ice Blue #D7FFFE ΔE 0.034
- Very Pale Blue #D6FFFE ΔE 0.034
Use #E4F2EF 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.