#DDF0F3
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.2% 0.02 208.1), rgb(221, 240, 243).
Aa
Black text reads best on this color (17.83:1).
About this color
#DDF0F3 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.020. 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 17.83:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 17.83:1 |
| White text | 1.17:1 |
Values
| HEX | #DDF0F3 |
| RGB | rgb(221, 240, 243) |
| HSL | hsl(188, 48%, 91%) |
| OKLCH | oklch(94.2% 0.02 208.1) |
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 #DDF0F3 | 1.17:1 | Fails | Lc -10.0 | Not readable |
| Black text on #DDF0F3 | 17.83:1 | AAA | Lc 95.0 | Preferred for body text |
| #DDF0F3 text on white | 1.17:1 | Fails | Lc 8.5 | Not readable |
| #DDF0F3 text on black | 17.83:1 | AAA | Lc -95.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100 (this color)
#DDF0F3
oklch(94.2% 0.02 208.1)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6C9
oklch(80.9% 0.026 205.8)
-
Step 400
400
#82A8AE
oklch(70.6% 0.042 208.2)
-
Step 500
500
#62939B
oklch(63.1% 0.054 208.7)
-
Step 600
600
#477D85
oklch(55.5% 0.059 207.8)
-
Step 700
700
#386971
oklch(49% 0.054 209.1)
-
Step 800
800
#2F565C
oklch(42.7% 0.045 208.3)
-
Step 900
900
#2A474B
oklch(37.7% 0.035 206.9)
-
Step 950
950
#192A2C
oklch(27.1% 0.023 205.2)
#DDF0F3 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) | #EDEEF3 | 0.021 |
| Deuteranopia (no green cones) | #E9EBF3 | 0.019 |
| Tritanopia (no blue cones) | #D7F2F1 | 0.010 |
| Achromatopsia (no color) | #ECECEC | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDF0F3
#DDF0F3
oklch(94.2% 0.02 208.1)
- #F9E7E4
#F9E7E4
oklch(94.2% 0.02 28.9)
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 #DDF0F3, 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 0.032
- White Smoke #F5F5F5 ΔE 0.035
- Alice Blue #F0F8FF ΔE 0.035
- Pale Blue #D0FEFE ΔE 0.036
- Ice Blue #D7FFFE ΔE 0.037
- Very Pale Blue #D6FFFE ΔE 0.037
- Very Light Blue #D5FFFF ΔE 0.037
Use #DDF0F3 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.