#DEF3FA
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.1% 0.024 219.7), rgb(222, 243, 250).
Aa
Black text reads best on this color (18.30:1).
About this color
#DEF3FA is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.019 away. Black text reads best on it, at 18.30:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.30:1 |
| White text | 1.14:1 |
Values
| HEX | #DEF3FA |
| RGB | rgb(222, 243, 250) |
| HSL | hsl(195, 74%, 93%) |
| OKLCH | oklch(95.1% 0.024 219.7) |
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 #DEF3FA | 1.14:1 | Fails | Lc -8.1 | Not readable |
| Black text on #DEF3FA | 18.30:1 | AAA | Lc 96.7 | Preferred for body text |
| #DEF3FA text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #DEF3FA text on black | 18.30:1 | AAA | Lc -97.6 | 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)
#DEF3FA
oklch(95.1% 0.024 219.7)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#7EA8B6
oklch(70.6% 0.05 220.4)
-
Step 500
500
#5C93A4
oklch(63.1% 0.063 219.5)
-
Step 600
600
#407D8F
oklch(55.6% 0.069 219.4)
-
Step 700
700
#32697A
oklch(49.1% 0.064 220.7)
-
Step 800
800
#2A5663
oklch(42.7% 0.053 219.5)
-
Step 900
900
#274751
oklch(37.8% 0.041 220.1)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#DEF3FA 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) | #EEF1FA | 0.020 |
| Deuteranopia (no green cones) | #EAEEFA | 0.019 |
| Tritanopia (no blue cones) | #D7F6F5 | 0.015 |
| Achromatopsia (no color) | #EFEFEF | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF3FA
#DEF3FA
oklch(95.1% 0.024 219.7)
- #FEEAE3
#FEEAE3
oklch(95.1% 0.024 40.3)
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 #DEF3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.019
- Alice Blue #F0F8FF ΔE 0.028
- Ice Blue #D7FFFE ΔE 0.030
- Pale Blue #D0FEFE ΔE 0.030
- Very Light Blue #D5FFFF ΔE 0.030
- Very Pale Blue #D6FFFE ΔE 0.030
- Light Cyan #E0FFFF ΔE 0.030
- Really Light Blue #D4FFFF ΔE 0.031
Use #DEF3FA 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.