#55C2DB

Closest named color: Vivid Sky Blue (#4CC9F0). oklch(76% 0.105 215.3), rgb(85, 194, 219).

Black text reads best on this color (10.12:1).

About this color

#55C2DB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.105 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.031 away. Black text reads best on it, at 10.12:1.

Hue family	Teals and cyans
Lightness	medium-light (76%)
Chroma	moderately saturated (0.105)
Temperature	cool
Nearest name	Vivid Sky Blue (#4CC9F0)
Black text	10.12:1
White text	2.07:1

Values

HEX	#55C2DB
RGB	rgb(85, 194, 219)
HSL	hsl(191, 65%, 60%)
OKLCH	oklch(76% 0.105 215.3)

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 #55C2DB	2.07:1	Fails	Lc -44.8	Non-text elements, placeholder text
Black text on #55C2DB	10.12:1	AAA	Lc 63.7	Content text, not long reading
#55C2DB text on white	2.07:1	Fails	Lc 40.2	Non-text elements, placeholder text
#55C2DB text on black	10.12:1	AAA	Lc -62.1	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

#ECF8FB

oklch(97.1% 0.013 214.4)
Step 100
100

#D4F0F7

oklch(93.7% 0.031 214.5)
Step 200
200

#AEE4F1

oklch(88.6% 0.058 214.1)
Step 300
300 (this color)

#55C2DB

oklch(76% 0.105 215.3)
Step 400
400

#00B3D1

oklch(70.6% 0.125 215.4)
Step 500
500

#009AB4

oklch(63.2% 0.112 215.3)
Step 600
600

#008197

oklch(55.5% 0.098 215.2)
Step 700
700

#006D80

oklch(49.2% 0.087 215.3)
Step 800
800

#005969

oklch(42.7% 0.076 215.4)
Step 900
900

#004A58

oklch(37.7% 0.067 215.8)
Step 950
950

#002C35

oklch(27% 0.048 215.4)

Export this scale for Tailwind in the Tailwind colors tool

#55C2DB 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)	#B0BCDC	0.093
Deuteranopia (no green cones)	#9DAEDB	0.084
Tritanopia (no blue cones)	#00CBCA	0.050
Achromatopsia (no color)	#B4B4B4	0.105