#DDF0EF
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.1% 0.02 193), rgb(221, 240, 239).
Aa
Black text reads best on this color (17.78:1).
About this color
#DDF0EF 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 0.023 away. Black text reads best on it, at 17.78:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 17.78:1 |
| White text | 1.18:1 |
Values
| HEX | #DDF0EF |
| RGB | rgb(221, 240, 239) |
| HSL | hsl(177, 39%, 90%) |
| OKLCH | oklch(94.1% 0.02 193) |
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 #DDF0EF | 1.18:1 | Fails | Lc -10.2 | Not readable |
| Black text on #DDF0EF | 17.78:1 | AAA | Lc 94.8 | Preferred for body text |
| #DDF0EF text on white | 1.18:1 | Fails | Lc 8.7 | Not readable |
| #DDF0EF text on black | 17.78:1 | AAA | Lc -95.5 | 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 100.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100 (this color)
#DDF0EF
oklch(94.1% 0.02 193)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C5
oklch(80.8% 0.026 193.6)
-
Step 400
400
#83A9A8
oklch(70.7% 0.041 194.2)
-
Step 500
500
#639492
oklch(63.1% 0.053 192.7)
-
Step 600
600
#487E7C
oklch(55.5% 0.058 192.6)
-
Step 700
700
#396A69
oklch(49% 0.053 193.8)
-
Step 800
800
#305756
oklch(42.8% 0.044 193.5)
-
Step 900
900
#2B4847
oklch(37.8% 0.035 193)
-
Step 950
950
#1A2A29
oklch(27% 0.022 191)
#DDF0EF 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) | #EDEEEF | 0.021 |
| Deuteranopia (no green cones) | #E9EBEF | 0.019 |
| Tritanopia (no blue cones) | #D8F1F0 | 0.006 |
| Achromatopsia (no color) | #ECECEC | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDF0EF
#DDF0EF
oklch(94.1% 0.02 193)
- #F9E6E7
#F9E6E7
oklch(94% 0.021 13.9)
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 #DDF0EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.023
- White Smoke #F5F5F5 ΔE 0.036
- Lavender #E6E6FA ΔE 0.036
- Pale Blue #D0FEFE ΔE 0.036
- Ice #D6FFFA ΔE 0.037
- Ice Blue #D7FFFE ΔE 0.037
- Very Pale Blue #D6FFFE ΔE 0.037
- Very Light Blue #D5FFFF ΔE 0.038
Use #DDF0EF 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.