#EDF4FF
Closest named color: Alice Blue (#F0F8FF). oklch(96.5% 0.017 259.4), rgb(237, 244, 255).
Aa
Black text reads best on this color (18.98:1).
About this color
#EDF4FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.011 away. Black text reads best on it, at 18.98:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 18.98:1 |
| White text | 1.10:1 |
Values
| HEX | #EDF4FF |
| RGB | rgb(237, 244, 255) |
| HSL | hsl(217, 100%, 96%) |
| OKLCH | oklch(96.5% 0.017 259.4) |
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 #EDF4FF | 1.10:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EDF4FF | 18.98:1 | AAA | Lc 99.1 | Preferred for body text |
| #EDF4FF text on white | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #EDF4FF text on black | 18.98:1 | AAA | Lc -100.2 | 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)
#EDF4FF
oklch(96.5% 0.017 259.4)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400
#94A1B6
oklch(70.6% 0.034 260)
-
Step 500
500
#7A8AA4
oklch(63% 0.043 260.1)
-
Step 600
600
#63748F
oklch(55.5% 0.047 259.6)
-
Step 700
700
#52617A
oklch(49% 0.044 260.5)
-
Step 800
800
#435063
oklch(42.8% 0.036 257.8)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#EDF4FF 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) | #F1F4FF | 0.005 |
| Deuteranopia (no green cones) | #EFF3FF | 0.003 |
| Tritanopia (no blue cones) | #E9F6F7 | 0.015 |
| Achromatopsia (no color) | #F3F3F3 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EDF4FF
#EDF4FF
oklch(96.5% 0.017 259.4)
- #FAF2E7
#FAF2E7
oklch(96.4% 0.017 76.1)
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 #EDF4FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.011
- Anti-Flash White #EDF2F4 ΔE 0.014
- White Smoke #F5F5F5 ΔE 0.017
- Ghost White #F8F8FF ΔE 0.019
- Cultured #F8F9FA ΔE 0.022
- Lavender Blush #FFF0F5 ΔE 0.025
- Very Light Pink #FFF4F2 ΔE 0.028
- Azure #F0FFFF ΔE 0.029
Use #EDF4FF 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.