#E9F0FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.4% 0.022 265.8), rgb(233, 240, 255).
Aa
Black text reads best on this color (18.37:1).
About this color
#E9F0FF 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 18.37:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.37:1 |
| White text | 1.14:1 |
Values
| HEX | #E9F0FF |
| RGB | rgb(233, 240, 255) |
| HSL | hsl(221, 100%, 96%) |
| OKLCH | oklch(95.4% 0.022 265.8) |
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 #E9F0FF | 1.14:1 | Fails | Lc -7.8 | Not readable |
| Black text on #E9F0FF | 18.37:1 | AAA | Lc 96.9 | Preferred for body text |
| #E9F0FF text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E9F0FF text on black | 18.37:1 | AAA | Lc -97.8 | 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)
#E9F0FF
oklch(95.4% 0.022 265.8)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D3
oklch(81% 0.027 264.4)
-
Step 400
400
#93A1BD
oklch(70.8% 0.044 264.2)
-
Step 500
500
#7989AD
oklch(63.1% 0.058 266.1)
-
Step 600
600
#627398
oklch(55.6% 0.061 265.3)
-
Step 700
700
#516082
oklch(49.1% 0.058 265.9)
-
Step 800
800
#434F69
oklch(42.8% 0.046 265.3)
-
Step 900
900
#384156
oklch(37.6% 0.038 266.6)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#E9F0FF 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) | #ECF1FF | 0.005 |
| Deuteranopia (no green cones) | #EAEFFF | 0.003 |
| Tritanopia (no blue cones) | #E4F3F5 | 0.019 |
| Achromatopsia (no color) | #F0F0F0 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9F0FF
#E9F0FF
oklch(95.4% 0.022 265.8)
- #F6EFE0
#F6EFE0
oklch(95.4% 0.021 85.9)
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 #E9F0FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.018
- Alice Blue #F0F8FF ΔE 0.024
- Lavender #E6E6FA ΔE 0.025
- White Smoke #F5F5F5 ΔE 0.027
- Ghost White #F8F8FF ΔE 0.030
- Lavender Blush #FFF0F5 ΔE 0.031
- Cultured #F8F9FA ΔE 0.034
- Very Light Pink #FFF4F2 ΔE 0.037
Use #E9F0FF 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.