#ECFAF7
Closest named color: Alice Blue (#F0F8FF). oklch(97.4% 0.015 181.8), rgb(236, 250, 247).
Aa
Black text reads best on this color (19.58:1).
About this color
#ECFAF7 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.015 away. Black text reads best on it, at 19.58:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.58:1 |
| White text | 1.07:1 |
Values
| HEX | #ECFAF7 |
| RGB | rgb(236, 250, 247) |
| HSL | hsl(167, 58%, 95%) |
| OKLCH | oklch(97.4% 0.015 181.8) |
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 #ECFAF7 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECFAF7 | 19.58:1 | AAA | Lc 101.2 | Preferred for body text |
| #ECFAF7 text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #ECFAF7 text on black | 19.58:1 | AAA | Lc -102.5 | 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)
#ECFAF7
oklch(97.4% 0.015 181.8)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DCD9
oklch(88.6% 0.012 176.3)
-
Step 300
300
#B4C5C1
oklch(80.9% 0.019 180.1)
-
Step 400
400
#8CA7A2
oklch(70.6% 0.031 183)
-
Step 500
500
#6F928B
oklch(63.2% 0.04 181.3)
-
Step 600
600
#577C75
oklch(55.6% 0.043 181.6)
-
Step 700
700
#476862
oklch(49% 0.039 182.1)
-
Step 800
800
#3A5550
oklch(42.6% 0.034 181.9)
-
Step 900
900
#324642
oklch(37.6% 0.026 181.1)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#ECFAF7 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) | #F9F8F7 | 0.017 |
| Deuteranopia (no green cones) | #F6F6F7 | 0.016 |
| Tritanopia (no blue cones) | #E9FBF9 | 0.004 |
| Achromatopsia (no color) | #F7F7F7 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECFAF7
#ECFAF7
oklch(97.4% 0.015 181.8)
- #FFF3F6
#FFF3F6
oklch(97.4% 0.013 0.3)
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 #ECFAF7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.015
- Azure #F0FFFF ΔE 0.016
- White Smoke #F5F5F5 ΔE 0.016
- Cultured #F8F9FA ΔE 0.017
- Mint Cream #F5FFFA ΔE 0.018
- Light Cyan #E0FFFF ΔE 0.018
- Honeydew #F0FFF0 ΔE 0.019
- Anti-Flash White #EDF2F4 ΔE 0.020
Use #ECFAF7 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.