#ECEEFF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.3% 0.023 280.6), rgb(236, 238, 255).
Aa
Black text reads best on this color (18.24:1).
About this color
#ECEEFF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.021 away. Black text reads best on it, at 18.24:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.24:1 |
| White text | 1.15:1 |
Values
| HEX | #ECEEFF |
| RGB | rgb(236, 238, 255) |
| HSL | hsl(234, 100%, 96%) |
| OKLCH | oklch(95.3% 0.023 280.6) |
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 #ECEEFF | 1.15:1 | Fails | Lc -8.4 | Not readable |
| Black text on #ECEEFF | 18.24:1 | AAA | Lc 96.5 | Preferred for body text |
| #ECEEFF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #ECEEFF 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100 (this color)
#ECEEFF
oklch(95.3% 0.023 280.6)
-
Step 200
200
#D7D8E4
oklch(88.5% 0.016 282.2)
-
Step 300
300
#BDBFD4
oklch(81% 0.029 281.4)
-
Step 400
400
#9B9EBE
oklch(70.8% 0.047 280.9)
-
Step 500
500
#8286AE
oklch(63.1% 0.06 280.1)
-
Step 600
600
#6C6F99
oklch(55.6% 0.065 280.9)
-
Step 700
700
#5A5D83
oklch(49.1% 0.061 280.4)
-
Step 800
800
#4A4C6A
oklch(42.7% 0.05 281.1)
-
Step 900
900
#3D3F56
oklch(37.6% 0.039 280.5)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#ECEEFF 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) | #EAF0FF | 0.006 |
| Deuteranopia (no green cones) | #E9EEFF | 0.004 |
| Tritanopia (no blue cones) | #E8F1F3 | 0.021 |
| Achromatopsia (no color) | #EFEFEF | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECEEFF
#ECEEFF
oklch(95.3% 0.023 280.6)
- #F2F0DF
#F2F0DF
oklch(95.2% 0.023 101.4)
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 #ECEEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.021
- Lavender #E6E6FA ΔE 0.022
- Alice Blue #F0F8FF ΔE 0.027
- White Smoke #F5F5F5 ΔE 0.029
- Lavender Blush #FFF0F5 ΔE 0.029
- Ghost White #F8F8FF ΔE 0.032
- Cultured #F8F9FA ΔE 0.036
- Very Light Pink #FFF4F2 ΔE 0.037
Use #ECEEFF 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.