#DEFCFF
Closest named color: Light Cyan (#E0FFFF). oklch(97% 0.031 204), rgb(222, 252, 255).
Aa
Black text reads best on this color (19.47:1).
About this color
#DEFCFF is a very light, muted teal or cyan. In OKLCH its lightness is 97%, its chroma 0.031 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.008 away. Black text reads best on it, at 19.47:1.
| Hue family | Teals and cyans |
| Lightness | very light (97%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.47:1 |
| White text | 1.07:1 |
Values
| HEX | #DEFCFF |
| RGB | rgb(222, 252, 255) |
| HSL | hsl(185, 100%, 94%) |
| OKLCH | oklch(97% 0.031 204) |
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 #DEFCFF | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #DEFCFF | 19.47:1 | AAA | Lc 100.8 | Preferred for body text |
| #DEFCFF text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #DEFCFF text on black | 19.47:1 | AAA | Lc -102.1 | 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)
#DEFCFF
oklch(97% 0.031 204)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6FADB3
oklch(70.8% 0.064 203.6)
-
Step 500
500
#4398A0
oklch(63.1% 0.082 203.7)
-
Step 600
600
#17828B
oklch(55.5% 0.09 203.9)
-
Step 700
700
#026E76
oklch(49.1% 0.083 203.7)
-
Step 800
800
#0C5A60
oklch(42.8% 0.069 203.2)
-
Step 900
900
#164A4F
oklch(37.8% 0.054 204.2)
-
Step 950
950
#0F2B2E
oklch(26.9% 0.034 204.8)
#DEFCFF 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) | #F7F9FF | 0.032 |
| Deuteranopia (no green cones) | #F1F4FF | 0.030 |
| Tritanopia (no blue cones) | #D5FFFD | 0.014 |
| Achromatopsia (no color) | #F6F6F6 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEFCFF
#DEFCFF
oklch(97% 0.031 204)
- #FFF2F1
#FFF2F1
oklch(97.1% 0.014 22.8)
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 #DEFCFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.008
- Ice Blue #D7FFFE ΔE 0.011
- Very Pale Blue #D6FFFE ΔE 0.012
- Very Light Blue #D5FFFF ΔE 0.013
- Really Light Blue #D4FFFF ΔE 0.013
- Ice #D6FFFA ΔE 0.015
- Pale Blue #D0FEFE ΔE 0.017
- Alice Blue #F0F8FF ΔE 0.024
Use #DEFCFF 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.