#DEF4FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.4% 0.028 229.2), rgb(222, 244, 255).
Aa
Black text reads best on this color (18.49:1).
About this color
#DEF4FF is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.028. 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 18.49:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.49:1 |
| White text | 1.13:1 |
Values
| HEX | #DEF4FF |
| RGB | rgb(222, 244, 255) |
| HSL | hsl(200, 100%, 94%) |
| OKLCH | oklch(95.4% 0.028 229.2) |
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 #DEF4FF | 1.13:1 | Fails | Lc -7.3 | Not readable |
| Black text on #DEF4FF | 18.49:1 | AAA | Lc 97.4 | Preferred for body text |
| #DEF4FF text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #DEF4FF text on black | 18.49:1 | AAA | Lc -98.3 | 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 50.
-
Step 50
50 (this color)
#DEF4FF
oklch(95.4% 0.028 229.2)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC6D3
oklch(81% 0.035 227.5)
-
Step 400
400
#7CA8BD
oklch(70.7% 0.056 229)
-
Step 500
500
#5992AD
oklch(63.1% 0.072 229.9)
-
Step 600
600
#3C7C98
oklch(55.6% 0.078 229.1)
-
Step 700
700
#2D6882
oklch(49% 0.074 229.8)
-
Step 800
800
#27556A
oklch(42.7% 0.061 230.2)
-
Step 900
900
#254656
oklch(37.6% 0.047 230.9)
-
Step 950
950
#162932
oklch(26.9% 0.03 229.7)
#DEF4FF 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) | #EEF3FF | 0.020 |
| Deuteranopia (no green cones) | #EAEFFF | 0.019 |
| Tritanopia (no blue cones) | #D5F7F7 | 0.019 |
| Achromatopsia (no color) | #F0F0F0 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF4FF
#DEF4FF
oklch(95.4% 0.028 229.2)
- #FFEBE1
#FFEBE1
oklch(95.3% 0.026 48.4)
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 #DEF4FF, 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
- Alice Blue #F0F8FF ΔE 0.026
- Light Cyan #E0FFFF ΔE 0.029
- Very Light Blue #D5FFFF ΔE 0.030
- Ice Blue #D7FFFE ΔE 0.030
- Very Pale Blue #D6FFFE ΔE 0.030
- Really Light Blue #D4FFFF ΔE 0.030
- Pale Blue #D0FEFE ΔE 0.030
Use #DEF4FF 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.