#3ECBF3

Closest named color: Vivid Sky Blue (#4CC9F0). oklch(78.5% 0.129 221.4), rgb(62, 203, 243).

Black text reads best on this color (11.04:1).

About this color

#3ECBF3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.129 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.008 away. Black text reads best on it, at 11.04:1.

Hue family	Teals and cyans
Lightness	light (78%)
Chroma	moderately saturated (0.129)
Temperature	cool
Nearest name	Vivid Sky Blue (#4CC9F0)
Black text	11.04:1
White text	1.90:1

Values

HEX	#3ECBF3
RGB	rgb(62, 203, 243)
HSL	hsl(193, 88%, 60%)
OKLCH	oklch(78.5% 0.129 221.4)

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 #3ECBF3	1.90:1	Fails	Lc -40.1	Non-text elements, placeholder text
Black text on #3ECBF3	11.04:1	AAA	Lc 68.1	Content text, not long reading
#3ECBF3 text on white	1.90:1	Fails	Lc 35.8	Non-text elements, placeholder text
#3ECBF3 text on black	11.04:1	AAA	Lc -66.7	Content text, not long reading

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 300.

Step 50
50

#EAF8FE

oklch(97% 0.017 225.2)
Step 100
100

#D0F0FC

oklch(93.6% 0.037 222.4)
Step 200
200

#A4E5FB

oklch(88.6% 0.072 220.9)
Step 300
300 (this color)

#3ECBF3

oklch(78.5% 0.129 221.4)
Step 400
400

#00B2DA

oklch(70.7% 0.13 221.5)
Step 500
500

#0098BB

oklch(63% 0.116 221.8)
Step 600
600

#00809D

oklch(55.6% 0.102 221.1)
Step 700
700

#006C85

oklch(49.2% 0.09 221.2)
Step 800
800

#00586D

oklch(42.6% 0.078 221.3)
Step 900
900

#00495C

oklch(37.6% 0.07 222.6)
Step 950
950

#002C38

oklch(27.2% 0.05 221.4)

Export this scale for Tailwind in the Tailwind colors tool

#3ECBF3 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)	#B3C6F5	0.104
Deuteranopia (no green cones)	#9BB4F3	0.093
Tritanopia (no blue cones)	#00D8D8	0.063
Achromatopsia (no color)	#BCBCBC	0.129