#EFF6FF
Closest named color: Alice Blue (#F0F8FF). oklch(97% 0.014 254.6), rgb(239, 246, 255).
Aa
Black text reads best on this color (19.29:1).
About this color
#EFF6FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.014. 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 19.29:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.29:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF6FF |
| RGB | rgb(239, 246, 255) |
| HSL | hsl(214, 100%, 97%) |
| OKLCH | oklch(97% 0.014 254.6) |
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 #EFF6FF | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF6FF | 19.29:1 | AAA | Lc 100.2 | Preferred for body text |
| #EFF6FF text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF6FF text on black | 19.29:1 | AAA | Lc -101.4 | 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)
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5DAE0
oklch(88.6% 0.01 252.8)
-
Step 300
300
#B9C1CC
oklch(80.8% 0.018 256.3)
-
Step 400
400
#95A2B3
oklch(70.8% 0.029 255.1)
-
Step 500
500
#7A8BA0
oklch(63.1% 0.037 253.8)
-
Step 600
600
#63758B
oklch(55.6% 0.04 253.6)
-
Step 700
700
#526276
oklch(49% 0.038 254.2)
-
Step 800
800
#435060
oklch(42.6% 0.031 253.8)
-
Step 900
900
#39424F
oklch(37.6% 0.025 257.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#EFF6FF 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) | #F3F6FF | 0.005 |
| Deuteranopia (no green cones) | #F1F5FF | 0.003 |
| Tritanopia (no blue cones) | #EBF8F9 | 0.012 |
| Achromatopsia (no color) | #F5F5F5 | 0.014 |
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 #EFF6FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.005
- Ghost White #F8F8FF ΔE 0.013
- White Smoke #F5F5F5 ΔE 0.014
- Anti-Flash White #EDF2F4 ΔE 0.016
- Cultured #F8F9FA ΔE 0.017
- Azure #F0FFFF ΔE 0.023
- Lavender Blush #FFF0F5 ΔE 0.024
- Very Light Pink #FFF4F2 ΔE 0.025
Use #EFF6FF 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.