#E1F9FF
Closest named color: Light Cyan (#E0FFFF). oklch(96.6% 0.026 214.4), rgb(225, 249, 255).
Aa
Black text reads best on this color (19.19:1).
About this color
#E1F9FF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.016 away. Black text reads best on it, at 19.19:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.19:1 |
| White text | 1.09:1 |
Values
| HEX | #E1F9FF |
| RGB | rgb(225, 249, 255) |
| HSL | hsl(192, 100%, 94%) |
| OKLCH | oklch(96.6% 0.026 214.4) |
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 #E1F9FF | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E1F9FF | 19.19:1 | AAA | Lc 99.8 | Preferred for body text |
| #E1F9FF text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #E1F9FF text on black | 19.19:1 | AAA | Lc -101.1 | 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)
#E1F9FF
oklch(96.6% 0.026 214.4)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A9C7CE
oklch(81% 0.034 213.4)
-
Step 400
400
#79AAB6
oklch(70.8% 0.055 214.6)
-
Step 500
500
#5494A3
oklch(62.9% 0.069 214.6)
-
Step 600
600
#367F8E
oklch(55.7% 0.075 213.3)
-
Step 700
700
#286B79
oklch(49.2% 0.07 213.9)
-
Step 800
800
#235763
oklch(42.7% 0.058 215.3)
-
Step 900
900
#224850
oklch(37.7% 0.045 213.1)
-
Step 950
950
#152A2F
oklch(27% 0.028 214.7)
#E1F9FF 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) | #F4F7FF | 0.024 |
| Deuteranopia (no green cones) | #EFF3FF | 0.022 |
| Tritanopia (no blue cones) | #D9FCFB | 0.014 |
| Achromatopsia (no color) | #F5F5F5 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1F9FF
#E1F9FF
oklch(96.6% 0.026 214.4)
- #FFF0ED
#FFF0ED
oklch(96.6% 0.017 31.1)
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 #E1F9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.016
- Alice Blue #F0F8FF ΔE 0.019
- Ice Blue #D7FFFE ΔE 0.019
- Very Pale Blue #D6FFFE ΔE 0.020
- Very Light Blue #D5FFFF ΔE 0.020
- Really Light Blue #D4FFFF ΔE 0.021
- Anti-Flash White #EDF2F4 ΔE 0.022
- Ice #D6FFFA ΔE 0.023
Use #E1F9FF 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.