#DDEFF8
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.1% 0.023 229.1), rgb(221, 239, 248).
Aa
Black text reads best on this color (17.77:1).
About this color
#DDEFF8 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.023. 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 17.77:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 17.77:1 |
| White text | 1.18:1 |
Values
| HEX | #DDEFF8 |
| RGB | rgb(221, 239, 248) |
| HSL | hsl(200, 66%, 92%) |
| OKLCH | oklch(94.1% 0.023 229.1) |
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 #DDEFF8 | 1.18:1 | Fails | Lc -10.3 | Not readable |
| Black text on #DDEFF8 | 17.77:1 | AAA | Lc 94.8 | Preferred for body text |
| #DDEFF8 text on white | 1.18:1 | Fails | Lc 8.8 | Not readable |
| #DDEFF8 text on black | 17.77:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100 (this color)
#DDEFF8
oklch(94.1% 0.023 229.1)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D0
oklch(81% 0.029 228.2)
-
Step 400
400
#83A7B8
oklch(70.8% 0.047 228.4)
-
Step 500
500
#6391A6
oklch(63.1% 0.059 228.2)
-
Step 600
600
#497B92
oklch(55.7% 0.065 229.2)
-
Step 700
700
#3A677C
oklch(49% 0.06 229.8)
-
Step 800
800
#305465
oklch(42.6% 0.05 229.9)
-
Step 900
900
#2B4652
oklch(37.8% 0.039 227.9)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#DDEFF8 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) | #EAEEF9 | 0.017 |
| Deuteranopia (no green cones) | #E6EBF8 | 0.015 |
| Tritanopia (no blue cones) | #D6F2F2 | 0.016 |
| Achromatopsia (no color) | #ECECEC | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDEFF8
#DDEFF8
oklch(94.1% 0.023 229.1)
- #F9E8DF
#F9E8DF
oklch(94.2% 0.022 49.9)
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 #DDEFF8, 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
- Lavender #E6E6FA ΔE 0.026
- Alice Blue #F0F8FF ΔE 0.035
- White Smoke #F5F5F5 ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.038
- Pale Sky Blue #BDF6FE ΔE 0.039
- Very Light Blue #D5FFFF ΔE 0.040
- Ice Blue #D7FFFE ΔE 0.040
Use #DDEFF8 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.