#E1F8FB
Closest named color: Light Cyan (#E0FFFF). oklch(96.3% 0.024 206.2), rgb(225, 248, 251).
Aa
Black text reads best on this color (19.02:1).
About this color
#E1F8FB is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.017 away. Black text reads best on it, at 19.02:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.02:1 |
| White text | 1.10:1 |
Values
| HEX | #E1F8FB |
| RGB | rgb(225, 248, 251) |
| HSL | hsl(187, 76%, 93%) |
| OKLCH | oklch(96.3% 0.024 206.2) |
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 #E1F8FB | 1.10:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E1F8FB | 19.02:1 | AAA | Lc 99.2 | Preferred for body text |
| #E1F8FB text on white | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #E1F8FB text on black | 19.02:1 | AAA | Lc -100.4 | 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)
#E1F8FB
oklch(96.3% 0.024 206.2)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDDDF
oklch(88.6% 0.017 205.8)
-
Step 300
300
#AAC7CB
oklch(80.9% 0.032 206.7)
-
Step 400
400
#7CAAB0
oklch(70.7% 0.05 206.2)
-
Step 500
500
#58959D
oklch(63.2% 0.064 206.4)
-
Step 600
600
#3B7F87
oklch(55.6% 0.069 205.6)
-
Step 700
700
#2C6B73
oklch(49% 0.065 206.6)
-
Step 800
800
#26575D
oklch(42.6% 0.053 206.1)
-
Step 900
900
#24484D
oklch(37.7% 0.042 207.2)
-
Step 950
950
#162A2D
oklch(26.9% 0.026 207.9)
#E1F8FB 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) | #F4F6FB | 0.024 |
| Deuteranopia (no green cones) | #EFF2FB | 0.022 |
| Tritanopia (no blue cones) | #DAFAF9 | 0.011 |
| Achromatopsia (no color) | #F4F4F4 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E1F8FB
#E1F8FB
oklch(96.3% 0.024 206.2)
- #FFEFEC
#FFEFEC
oklch(96.4% 0.018 30.3)
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 #E1F8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.017
- Anti-Flash White #EDF2F4 ΔE 0.020
- Ice Blue #D7FFFE ΔE 0.020
- Very Pale Blue #D6FFFE ΔE 0.020
- Alice Blue #F0F8FF ΔE 0.020
- Very Light Blue #D5FFFF ΔE 0.021
- Really Light Blue #D4FFFF ΔE 0.021
- Ice #D6FFFA ΔE 0.022
Use #E1F8FB 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.