#EFF6FC
Closest named color: Alice Blue (#F0F8FF). oklch(97% 0.011 243.7), rgb(239, 246, 252).
Aa
Black text reads best on this color (19.25:1).
About this color
#EFF6FC is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.011. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.006 away. Black text reads best on it, at 19.25:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.011) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.25:1 |
| White text | 1.09:1 |
Values
| HEX | #EFF6FC |
| RGB | rgb(239, 246, 252) |
| HSL | hsl(208, 68%, 96%) |
| OKLCH | oklch(97% 0.011 243.7) |
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 #EFF6FC | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF6FC | 19.25:1 | AAA | Lc 100.1 | Preferred for body text |
| #EFF6FC text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #EFF6FC text on black | 19.25:1 | AAA | Lc -101.3 | 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 50.
-
Step 50
50 (this color)
#EFF6FC
oklch(97% 0.011 243.7)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#95A3AE
oklch(70.8% 0.023 241.5)
-
Step 500
500
#7B8C9A
oklch(63.1% 0.029 243)
-
Step 600
600
#647685
oklch(55.7% 0.032 243.5)
-
Step 700
700
#536370
oklch(49.1% 0.029 242.8)
-
Step 800
800
#44515B
oklch(42.7% 0.023 241.2)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#EFF6FC 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) | #F4F6FC | 0.006 |
| Deuteranopia (no green cones) | #F2F4FC | 0.006 |
| Tritanopia (no blue cones) | #ECF7F8 | 0.008 |
| Achromatopsia (no color) | #F5F5F5 | 0.011 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EFF6FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.006
- White Smoke #F5F5F5 ΔE 0.011
- Anti-Flash White #EDF2F4 ΔE 0.013
- Ghost White #F8F8FF ΔE 0.014
- Cultured #F8F9FA ΔE 0.015
- Azure #F0FFFF ΔE 0.022
- Very Light Pink #FFF4F2 ΔE 0.023
- Lavender Blush #FFF0F5 ΔE 0.024
Use #EFF6FC 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.