#DEF1FD
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.8% 0.026 235.3), rgb(222, 241, 253).
Aa
Black text reads best on this color (18.10:1).
About this color
#DEF1FD 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 0.022 away. Black text reads best on it, at 18.10:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.10:1 |
| White text | 1.15:1 |
Values
| HEX | #DEF1FD |
| RGB | rgb(222, 241, 253) |
| HSL | hsl(203, 89%, 93%) |
| OKLCH | oklch(94.8% 0.026 235.3) |
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 #DEF1FD | 1.15:1 | Fails | Lc -8.9 | Not readable |
| Black text on #DEF1FD | 18.10:1 | AAA | Lc 96.0 | Preferred for body text |
| #DEF1FD text on white | 1.15:1 | Fails | Lc 7.5 | Not readable |
| #DEF1FD text on black | 18.10:1 | AAA | Lc -96.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100 (this color)
#DEF1FD
oklch(94.8% 0.026 235.3)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC5D3
oklch(81% 0.033 233.4)
-
Step 400
400
#81A6BD
oklch(70.6% 0.053 235.8)
-
Step 500
500
#6090AD
oklch(63% 0.068 235.9)
-
Step 600
600
#457A99
oklch(55.6% 0.074 235.9)
-
Step 700
700
#366782
oklch(49.1% 0.069 234.6)
-
Step 800
800
#2E546A
oklch(42.7% 0.057 235.6)
-
Step 900
900
#294556
oklch(37.6% 0.045 236.3)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#DEF1FD 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) | #ECF0FE | 0.018 |
| Deuteranopia (no green cones) | #E7ECFD | 0.016 |
| Tritanopia (no blue cones) | #D6F4F5 | 0.019 |
| Achromatopsia (no color) | #EEEEEE | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF1FD
#DEF1FD
oklch(94.8% 0.026 235.3)
- #FCEADE
#FCEADE
oklch(94.8% 0.025 56.1)
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 #DEF1FD, 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
- Lavender #E6E6FA ΔE 0.028
- Alice Blue #F0F8FF ΔE 0.031
- White Smoke #F5F5F5 ΔE 0.034
- Pale Blue #D0FEFE ΔE 0.036
- Very Light Blue #D5FFFF ΔE 0.036
- Light Cyan #E0FFFF ΔE 0.036
- Ice Blue #D7FFFE ΔE 0.036
Use #DEF1FD 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.