#DDF2EF
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.5% 0.022 186.5), rgb(221, 242, 239).
Aa
Black text reads best on this color (18.02:1).
About this color
#DDF2EF 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 18.02:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.02:1 |
| White text | 1.16:1 |
Values
| HEX | #DDF2EF |
| RGB | rgb(221, 242, 239) |
| HSL | hsl(171, 45%, 91%) |
| OKLCH | oklch(94.5% 0.022 186.5) |
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 #DDF2EF | 1.16:1 | Fails | Lc -9.2 | Not readable |
| Black text on #DDF2EF | 18.02:1 | AAA | Lc 95.7 | Preferred for body text |
| #DDF2EF text on white | 1.16:1 | Fails | Lc 7.8 | Not readable |
| #DDF2EF text on black | 18.02:1 | AAA | Lc -96.5 | 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)
#DDF2EF
oklch(94.5% 0.022 186.5)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C3
oklch(80.9% 0.029 185.4)
-
Step 400
400
#80AAA5
oklch(70.6% 0.046 187.1)
-
Step 500
500
#5F958F
oklch(63% 0.058 186.9)
-
Step 600
600
#438079
oklch(55.7% 0.065 185.9)
-
Step 700
700
#346C66
oklch(49.1% 0.06 186.3)
-
Step 800
800
#2C5853
oklch(42.7% 0.05 186)
-
Step 900
900
#284845
oklch(37.6% 0.038 188)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#DDF2EF 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) | #F0EFEF | 0.025 |
| Deuteranopia (no green cones) | #EBECEF | 0.023 |
| Tritanopia (no blue cones) | #D8F3F1 | 0.006 |
| Achromatopsia (no color) | #EEEEEE | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDF2EF
#DDF2EF
oklch(94.5% 0.022 186.5)
- #FBE7EA
#FBE7EA
oklch(94.5% 0.022 7.2)
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 #DDF2EF, 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
- Ice #D6FFFA ΔE 0.032
- Pale Blue #D0FEFE ΔE 0.032
- Ice Blue #D7FFFE ΔE 0.033
- Very Pale Blue #D6FFFE ΔE 0.033
- Very Light Blue #D5FFFF ΔE 0.033
- Really Light Blue #D4FFFF ΔE 0.033
- White Smoke #F5F5F5 ΔE 0.034
Use #DDF2EF 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.