#E3FEFA
Closest named color: Light Cyan (#E0FFFF). oklch(97.6% 0.029 186), rgb(227, 254, 250).
Aa
Black text reads best on this color (19.82:1).
About this color
#E3FEFA is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.007 away. Black text reads best on it, at 19.82:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.82:1 |
| White text | 1.05:1 |
Values
| HEX | #E3FEFA |
| RGB | rgb(227, 254, 250) |
| HSL | hsl(171, 93%, 94%) |
| OKLCH | oklch(97.6% 0.029 186) |
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 #E3FEFA | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3FEFA | 19.82:1 | AAA | Lc 102.0 | Preferred for body text |
| #E3FEFA text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #E3FEFA text on black | 19.82:1 | AAA | Lc -103.5 | 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)
#E3FEFA
oklch(97.6% 0.029 186)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#76ADA6
oklch(70.7% 0.059 186)
-
Step 500
500
#4F9890
oklch(63% 0.074 186.2)
-
Step 600
600
#2E837A
oklch(55.7% 0.082 185.3)
-
Step 700
700
#1F6E67
oklch(49% 0.075 186.5)
-
Step 800
800
#1D5A54
oklch(42.7% 0.062 186)
-
Step 900
900
#1F4A45
oklch(37.7% 0.049 185.3)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#E3FEFA 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) | #FBFBFA | 0.031 |
| Deuteranopia (no green cones) | #F5F7FA | 0.027 |
| Tritanopia (no blue cones) | #DCFFFD | 0.009 |
| Achromatopsia (no color) | #F8F8F8 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3FEFA
#E3FEFA
oklch(97.6% 0.029 186)
- #FFF4F6
#FFF4F6
oklch(97.6% 0.012 4.7)
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 #E3FEFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.007
- Ice Blue #D7FFFE ΔE 0.014
- Very Pale Blue #D6FFFE ΔE 0.015
- Ice #D6FFFA ΔE 0.015
- Very Light Blue #D5FFFF ΔE 0.017
- Really Light Blue #D4FFFF ΔE 0.018
- Azure #F0FFFF ΔE 0.018
- Honeydew #F0FFF0 ΔE 0.021
Use #E3FEFA 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.