#E9F8FB
Closest named color: Alice Blue (#F0F8FF). oklch(96.9% 0.016 211), rgb(233, 248, 251).
Aa
Black text reads best on this color (19.28:1).
About this color
#E9F8FB is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.016. 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 19.28:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.28:1 |
| White text | 1.08:1 |
Values
| HEX | #E9F8FB |
| RGB | rgb(233, 248, 251) |
| HSL | hsl(190, 69%, 95%) |
| OKLCH | oklch(96.9% 0.016 211) |
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 #E9F8FB | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E9F8FB | 19.28:1 | AAA | Lc 100.2 | Preferred for body text |
| #E9F8FB text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #E9F8FB text on black | 19.28:1 | AAA | Lc -101.4 | 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)
#E9F8FB
oklch(96.9% 0.016 211)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D1DBDD
oklch(88.4% 0.011 211)
-
Step 300
300
#B2C5C8
oklch(81% 0.021 208.1)
-
Step 400
400
#89A7AD
oklch(70.8% 0.034 211.1)
-
Step 500
500
#6B9198
oklch(63.1% 0.043 210.1)
-
Step 600
600
#527B83
oklch(55.6% 0.047 211.1)
-
Step 700
700
#43686F
oklch(49.2% 0.043 210.7)
-
Step 800
800
#37555A
oklch(42.8% 0.036 209)
-
Step 900
900
#30464A
oklch(37.8% 0.028 210)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#E9F8FB 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) | #F5F7FB | 0.015 |
| Deuteranopia (no green cones) | #F2F4FB | 0.015 |
| Tritanopia (no blue cones) | #E4FAF9 | 0.009 |
| Achromatopsia (no color) | #F5F5F5 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9F8FB
#E9F8FB
oklch(96.9% 0.016 211)
- #FFF1EE
#FFF1EE
oklch(96.8% 0.016 32)
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 #E9F8FB, 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 0.015
- White Smoke #F5F5F5 ΔE 0.016
- Light Cyan #E0FFFF ΔE 0.019
- Cultured #F8F9FA ΔE 0.020
- Azure #F0FFFF ΔE 0.020
- Ghost White #F8F8FF ΔE 0.021
- Mint Cream #F5FFFA ΔE 0.025
Use #E9F8FB 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.