#DEF4FD
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.4% 0.026 224.2), rgb(222, 244, 253).
Aa
Black text reads best on this color (18.46:1).
About this color
#DEF4FD is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.021 away. Black text reads best on it, at 18.46:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.46:1 |
| White text | 1.13:1 |
Values
| HEX | #DEF4FD |
| RGB | rgb(222, 244, 253) |
| HSL | hsl(197, 89%, 93%) |
| OKLCH | oklch(95.4% 0.026 224.2) |
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 #DEF4FD | 1.13:1 | Fails | Lc -7.4 | Not readable |
| Black text on #DEF4FD | 18.46:1 | AAA | Lc 97.3 | Preferred for body text |
| #DEF4FD text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #DEF4FD text on black | 18.46:1 | AAA | Lc -98.2 | 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)
#DEF4FD
oklch(95.4% 0.026 224.2)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#AAC6D1
oklch(80.9% 0.034 223.5)
-
Step 400
400
#7CA8BA
oklch(70.6% 0.054 225.1)
-
Step 500
500
#5993A9
oklch(63.2% 0.069 224.3)
-
Step 600
600
#3C7D94
oklch(55.7% 0.075 223.9)
-
Step 700
700
#2E697E
oklch(49.1% 0.069 224.4)
-
Step 800
800
#275666
oklch(42.7% 0.057 223)
-
Step 900
900
#254753
oklch(37.7% 0.045 223)
-
Step 950
950
#162A31
oklch(27.1% 0.029 222.4)
#DEF4FD 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) | #EFF3FE | 0.022 |
| Deuteranopia (no green cones) | #EAEFFD | 0.019 |
| Tritanopia (no blue cones) | #D6F7F7 | 0.016 |
| Achromatopsia (no color) | #F0F0F0 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF4FD
#DEF4FD
oklch(95.4% 0.026 224.2)
- #FFEBE3
#FFEBE3
oklch(95.4% 0.024 43.2)
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 #DEF4FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.021
- Alice Blue #F0F8FF ΔE 0.026
- Light Cyan #E0FFFF ΔE 0.028
- Ice Blue #D7FFFE ΔE 0.029
- Very Light Blue #D5FFFF ΔE 0.029
- Very Pale Blue #D6FFFE ΔE 0.029
- Pale Blue #D0FEFE ΔE 0.029
- Really Light Blue #D4FFFF ΔE 0.029
Use #DEF4FD 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.