#3A8A80

Closest named color: Dark Cyan (#008B8B). oklch(58.1% 0.08 184.2), rgb(58, 138, 128).

Black text reads best on this color (5.12:1).

About this color

#3A8A80 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.080 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.025 away. Black text reads best on it, at 5.12:1.

Hue family	Teals and cyans
Lightness	medium-dark (58%)
Chroma	moderately saturated (0.080)
Temperature	cool
Nearest name	Dark Cyan (#008B8B)
Black text	5.12:1
White text	4.09:1

Values

HEX	#3A8A80
RGB	rgb(58, 138, 128)
HSL	hsl(173, 41%, 38%)
OKLCH	oklch(58.1% 0.08 184.2)

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 #3A8A80	4.09:1	AA large text	Lc -73.4	Content text, not long reading
Black text on #3A8A80	5.12:1	AA	Lc 36.2	Non-text elements, placeholder text
#3A8A80 text on white	4.09:1	AA large text	Lc 67.9	Content text, not long reading
#3A8A80 text on black	5.12:1	AA	Lc -33.8	Non-text elements, placeholder 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 600.

Step 50
50

#F2F6F6

oklch(97% 0.004 197.1)
Step 100
100

#E3ECEA

oklch(93.6% 0.01 181.4)
Step 200
200

#CBDEDA

oklch(88.5% 0.021 181.8)
Step 300
300

#A8C9C3

oklch(81% 0.036 183.2)
Step 400
400

#78ADA5

oklch(70.8% 0.057 184.3)
Step 500
500

#51988E

oklch(63% 0.074 183.8)
Step 600
600 (this color)

#3A8A80

oklch(58.1% 0.08 184.2)
Step 700
700

#236E65

oklch(49% 0.074 183.9)
Step 800
800

#1F5A53

oklch(42.7% 0.062 184.4)
Step 900
900

#204A44

oklch(37.7% 0.048 183.2)
Step 950
950

#142B28

oklch(26.9% 0.03 184.8)

Export this scale for Tailwind in the Tailwind colors tool

#3A8A80 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)	#848380	0.085
Deuteranopia (no green cones)	#777A81	0.079
Tritanopia (no blue cones)	#008D87	0.022
Achromatopsia (no color)	#7D7D7D	0.080