#E4FBFD
Closest named color: Light Cyan (#E0FFFF). oklch(97.2% 0.024 203.1), rgb(228, 251, 253).
Aa
Black text reads best on this color (19.51:1).
About this color
#E4FBFD is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.010 away. Black text reads best on it, at 19.51:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.51:1 |
| White text | 1.07:1 |
Values
| HEX | #E4FBFD |
| RGB | rgb(228, 251, 253) |
| HSL | hsl(185, 86%, 94%) |
| OKLCH | oklch(97.2% 0.024 203.1) |
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 #E4FBFD | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4FBFD | 19.51:1 | AAA | Lc 101.0 | Preferred for body text |
| #E4FBFD text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #E4FBFD text on black | 19.51:1 | AAA | Lc -102.3 | 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)
#E4FBFD
oklch(97.2% 0.024 203.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#AAC7C9
oklch(80.9% 0.031 201.7)
-
Step 400
400
#7CAAAE
oklch(70.7% 0.049 202.8)
-
Step 500
500
#58959B
oklch(63.1% 0.064 203.8)
-
Step 600
600
#3B7F85
oklch(55.5% 0.069 203.1)
-
Step 700
700
#2D6B71
oklch(49% 0.064 203.9)
-
Step 800
800
#27585C
oklch(42.8% 0.053 202.5)
-
Step 900
900
#25484B
oklch(37.7% 0.041 202.8)
-
Step 950
950
#162A2C
oklch(26.9% 0.026 203.9)
#E4FBFD 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) | #F7F9FD | 0.024 |
| Deuteranopia (no green cones) | #F2F5FD | 0.022 |
| Tritanopia (no blue cones) | #DDFDFC | 0.010 |
| Achromatopsia (no color) | #F6F6F6 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4FBFD
#E4FBFD
oklch(97.2% 0.024 203.1)
- #FFF2F1
#FFF2F1
oklch(97.1% 0.014 22.8)
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 #E4FBFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.010
- Alice Blue #F0F8FF ΔE 0.017
- Ice Blue #D7FFFE ΔE 0.017
- Very Pale Blue #D6FFFE ΔE 0.018
- Azure #F0FFFF ΔE 0.019
- Very Light Blue #D5FFFF ΔE 0.019
- Really Light Blue #D4FFFF ΔE 0.020
- Ice #D6FFFA ΔE 0.020
Use #E4FBFD 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.