#DEFAFB
Closest named color: Light Cyan (#E0FFFF). oklch(96.5% 0.029 199.3), rgb(222, 250, 251).
Aa
Black text reads best on this color (19.17:1).
About this color
#DEFAFB is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.013 away. Black text reads best on it, at 19.17:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.17:1 |
| White text | 1.09:1 |
Values
| HEX | #DEFAFB |
| RGB | rgb(222, 250, 251) |
| HSL | hsl(182, 78%, 93%) |
| OKLCH | oklch(96.5% 0.029 199.3) |
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 #DEFAFB | 1.09:1 | Fails | Lc 0.0 | Not readable |
| Black text on #DEFAFB | 19.17:1 | AAA | Lc 99.8 | Preferred for body text |
| #DEFAFB text on white | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #DEFAFB text on black | 19.17:1 | AAA | Lc -101.0 | 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)
#DEFAFB
oklch(96.5% 0.029 199.3)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A5C8CA
oklch(80.8% 0.037 200.7)
-
Step 400
400
#73ACAF
oklch(70.6% 0.06 200.1)
-
Step 500
500
#4A989B
oklch(63.2% 0.077 198.7)
-
Step 600
600
#268286
oklch(55.6% 0.083 199.3)
-
Step 700
700
#166E71
oklch(49.1% 0.078 198.5)
-
Step 800
800
#17595C
oklch(42.6% 0.064 199.5)
-
Step 900
900
#1B4A4C
oklch(37.8% 0.051 199.1)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#DEFAFB 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) | #F6F7FB | 0.030 |
| Deuteranopia (no green cones) | #F0F3FB | 0.027 |
| Tritanopia (no blue cones) | #D6FCFA | 0.011 |
| Achromatopsia (no color) | #F4F4F4 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEFAFB
#DEFAFB
oklch(96.5% 0.029 199.3)
- #FFEFEF
#FFEFEF
oklch(96.5% 0.017 17.5)
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 #DEFAFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.013
- Ice Blue #D7FFFE ΔE 0.014
- Very Pale Blue #D6FFFE ΔE 0.014
- Very Light Blue #D5FFFF ΔE 0.015
- Really Light Blue #D4FFFF ΔE 0.016
- Ice #D6FFFA ΔE 0.016
- Pale Blue #D0FEFE ΔE 0.018
- Alice Blue #F0F8FF ΔE 0.024
Use #DEFAFB 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.