#DFEFF9
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.3% 0.022 235), rgb(223, 239, 249).
Aa
Black text reads best on this color (17.85:1).
About this color
#DFEFF9 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.022 away. Black text reads best on it, at 17.85:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 17.85:1 |
| White text | 1.17:1 |
Values
| HEX | #DFEFF9 |
| RGB | rgb(223, 239, 249) |
| HSL | hsl(203, 68%, 93%) |
| OKLCH | oklch(94.3% 0.022 235) |
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 #DFEFF9 | 1.17:1 | Fails | Lc -10.0 | Not readable |
| Black text on #DFEFF9 | 17.85:1 | AAA | Lc 95.1 | Preferred for body text |
| #DFEFF9 text on white | 1.17:1 | Fails | Lc 8.5 | Not readable |
| #DFEFF9 text on black | 17.85:1 | AAA | Lc -95.8 | 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 100.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100 (this color)
#DFEFF9
oklch(94.3% 0.022 235)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B0C4D0
oklch(80.9% 0.028 234.1)
-
Step 400
400
#86A6B9
oklch(70.8% 0.045 234.3)
-
Step 500
500
#678FA7
oklch(63% 0.057 235.2)
-
Step 600
600
#4E7993
oklch(55.5% 0.063 236)
-
Step 700
700
#3F667D
oklch(49.1% 0.058 235.5)
-
Step 800
800
#345366
oklch(42.6% 0.048 236.4)
-
Step 900
900
#2E4553
oklch(37.7% 0.037 235.8)
-
Step 950
950
#1B2830
oklch(26.9% 0.023 235.8)
#DFEFF9 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) | #EBEEFA | 0.016 |
| Deuteranopia (no green cones) | #E7EBF9 | 0.014 |
| Tritanopia (no blue cones) | #D9F2F2 | 0.016 |
| Achromatopsia (no color) | #ECECEC | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DFEFF9
#DFEFF9
oklch(94.3% 0.022 235)
- #F8E9DF
#F8E9DF
oklch(94.3% 0.021 56.1)
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 #DFEFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.022
- Lavender #E6E6FA ΔE 0.025
- Alice Blue #F0F8FF ΔE 0.033
- White Smoke #F5F5F5 ΔE 0.035
- Pale Blue #D0FEFE ΔE 0.039
- Ice Blue #D7FFFE ΔE 0.040
- Light Cyan #E0FFFF ΔE 0.040
- Very Light Blue #D5FFFF ΔE 0.040
Use #DFEFF9 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.