#DEF5FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.6% 0.028 225.7), rgb(222, 245, 255).
Aa
Black text reads best on this color (18.61:1).
About this color
#DEF5FF is a very light close to neutral grey. In OKLCH its lightness is 96%, 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 18.61:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.61:1 |
| White text | 1.12:1 |
Values
| HEX | #DEF5FF |
| RGB | rgb(222, 245, 255) |
| HSL | hsl(198, 100%, 94%) |
| OKLCH | oklch(95.6% 0.028 225.7) |
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 #DEF5FF | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #DEF5FF | 18.61:1 | AAA | Lc 97.8 | Preferred for body text |
| #DEF5FF text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #DEF5FF text on black | 18.61:1 | AAA | Lc -98.8 | 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 50.
-
Step 50
50 (this color)
#DEF5FF
oklch(95.6% 0.028 225.7)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D2
oklch(80.9% 0.036 224.7)
-
Step 400
400
#7AA9BC
oklch(70.8% 0.057 224.9)
-
Step 500
500
#5693AB
oklch(63.1% 0.073 225.4)
-
Step 600
600
#397D97
oklch(55.7% 0.079 226)
-
Step 700
700
#2A6980
oklch(49% 0.073 225.4)
-
Step 800
800
#255668
oklch(42.7% 0.06 225)
-
Step 900
900
#234755
oklch(37.7% 0.048 225.6)
-
Step 950
950
#152A32
oklch(27.1% 0.031 224.6)
#DEF5FF 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) | #F0F4FF | 0.023 |
| Deuteranopia (no green cones) | #EAEFFF | 0.021 |
| Tritanopia (no blue cones) | #D5F8F8 | 0.018 |
| Achromatopsia (no color) | #F1F1F1 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF5FF
#DEF5FF
oklch(95.6% 0.028 225.7)
- #FFECE4
#FFECE4
oklch(95.6% 0.023 44.3)
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 #DEF5FF, 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 0.025
- Light Cyan #E0FFFF ΔE 0.027
- Ice Blue #D7FFFE ΔE 0.027
- Very Light Blue #D5FFFF ΔE 0.027
- Very Pale Blue #D6FFFE ΔE 0.027
- Really Light Blue #D4FFFF ΔE 0.028
- Pale Blue #D0FEFE ΔE 0.028
Use #DEF5FF 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.