#ECF3E7
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.6% 0.018 131.9), rgb(236, 243, 231).
Aa
Black text reads best on this color (18.54:1).
About this color
#ECF3E7 is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.019 away. Black text reads best on it, at 18.54:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.54:1 |
| White text | 1.13:1 |
Values
| HEX | #ECF3E7 |
| RGB | rgb(236, 243, 231) |
| HSL | hsl(95, 33%, 93%) |
| OKLCH | oklch(95.6% 0.018 131.9) |
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 #ECF3E7 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF3E7 | 18.54:1 | AAA | Lc 97.5 | Preferred for body text |
| #ECF3E7 text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #ECF3E7 text on black | 18.54:1 | AAA | Lc -98.5 | 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)
#ECF3E7
oklch(95.6% 0.018 131.9)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD3
oklch(88.5% 0.012 133.4)
-
Step 300
300
#BBC4B5
oklch(80.9% 0.023 132.6)
-
Step 400
400
#98A68F
oklch(70.8% 0.036 133.1)
-
Step 500
500
#7F9073
oklch(63.2% 0.047 132.5)
-
Step 600
600
#697A5B
oklch(55.7% 0.051 131.3)
-
Step 700
700
#57674B
oklch(49.2% 0.047 132.2)
-
Step 800
800
#47543E
oklch(42.8% 0.039 132.8)
-
Step 900
900
#3C4535
oklch(37.7% 0.029 131.6)
-
Step 950
950
#23281F
oklch(26.9% 0.018 131.3)
#ECF3E7 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) | #F4F1E6 | 0.011 |
| Deuteranopia (no green cones) | #F3F1E7 | 0.010 |
| Tritanopia (no blue cones) | #ECF2EF | 0.012 |
| Achromatopsia (no color) | #F1F1F1 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF3E7
#ECF3E7
oklch(95.6% 0.018 131.9)
- #F4EDF9
#F4EDF9
oklch(95.5% 0.018 311.6)
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 #ECF3E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.019
- Linen #FAF0E6 ΔE 0.019
- Beige #F5F5DC ΔE 0.020
- White Smoke #F5F5F5 ΔE 0.023
- Old Lace #FDF5E6 ΔE 0.024
- Antique White #FAEBD7 ΔE 0.027
- Seashell #FFF5EE ΔE 0.028
- Very Light Pink #FFF4F2 ΔE 0.030
Use #ECF3E7 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.