#EFF6FD
Closest named color: Alice Blue (#F0F8FF). oklch(97% 0.012 248), rgb(239, 246, 253).
Aa
Black text reads best on this color (19.27:1).
About this color
#EFF6FD is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.012. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.005 away. Black text reads best on it, at 19.27:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.012) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.27:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF6FD |
| RGB | rgb(239, 246, 253) |
| HSL | hsl(210, 78%, 96%) |
| OKLCH | oklch(97% 0.012 248) |
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 #EFF6FD | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF6FD | 19.27:1 | AAA | Lc 100.1 | Preferred for body text |
| #EFF6FD text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF6FD text on black | 19.27:1 | 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)
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5DADF
oklch(88.6% 0.009 247.9)
-
Step 300
300
#B9C2CA
oklch(80.9% 0.015 244.8)
-
Step 400
400
#95A2B0
oklch(70.6% 0.025 250.2)
-
Step 500
500
#7B8C9C
oklch(63.2% 0.031 246.7)
-
Step 600
600
#647587
oklch(55.5% 0.035 249.9)
-
Step 700
700
#536372
oklch(49.2% 0.031 246.7)
-
Step 800
800
#44515D
oklch(42.8% 0.026 246.3)
-
Step 900
900
#39434C
oklch(37.7% 0.02 245.5)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#EFF6FD 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) | #F3F6FD | 0.005 |
| Deuteranopia (no green cones) | #F2F4FD | 0.006 |
| Tritanopia (no blue cones) | #ECF8F8 | 0.011 |
| Achromatopsia (no color) | #F5F5F5 | 0.012 |
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 #EFF6FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.005
- White Smoke #F5F5F5 ΔE 0.012
- Ghost White #F8F8FF ΔE 0.013
- Anti-Flash White #EDF2F4 ΔE 0.014
- Cultured #F8F9FA ΔE 0.016
- Azure #F0FFFF ΔE 0.023
- Very Light Pink #FFF4F2 ΔE 0.023
- Lavender Blush #FFF0F5 ΔE 0.024
Use #EFF6FD 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.