#579E98

Closest named color: Dull Teal (#5F9E8F). oklch(65.1% 0.072 188.5), rgb(87, 158, 152).

Black text reads best on this color (6.74:1).

About this color

#579E98 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.072 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.014 away. Black text reads best on it, at 6.74:1.

Hue family	Teals and cyans
Lightness	medium-light (65%)
Chroma	moderately saturated (0.072)
Temperature	cool
Nearest name	Dull Teal (#5F9E8F)
Black text	6.74:1
White text	3.11:1

Values

HEX	#579E98
RGB	rgb(87, 158, 152)
HSL	hsl(175, 29%, 48%)
OKLCH	oklch(65.1% 0.072 188.5)

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 #579E98	3.11:1	AA large text	Lc -63.4	Content text, not long reading
Black text on #579E98	6.74:1	AA	Lc 46.1	Large or bold text, headings
#579E98 text on white	3.11:1	AA large text	Lc 58.0	Large or bold text, headings
#579E98 text on black	6.74:1	AA	Lc -43.8	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 500.

Step 50
50

#F2F6F6

oklch(97% 0.004 197.1)
Step 100
100

#E3ECEB

oklch(93.6% 0.01 189.1)
Step 200
200

#CBDEDB

oklch(88.6% 0.021 185.4)
Step 300
300

#A8C8C5

oklch(80.8% 0.035 189.5)
Step 400
400

#77ACA7

oklch(70.6% 0.056 188.6)
Step 500
500 (this color)

#579E98

oklch(65.1% 0.072 188.5)
Step 600
600

#31827C

oklch(55.6% 0.078 188.4)
Step 700
700

#226E69

oklch(49.1% 0.073 188.8)
Step 800
800

#1F5A55

oklch(42.8% 0.061 187.4)
Step 900
900

#204A46

oklch(37.8% 0.047 187.1)
Step 950
950

#142B29

oklch(26.9% 0.029 188.3)

Export this scale for Tailwind in the Tailwind colors tool

#579E98 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)	#979798	0.077
Deuteranopia (no green cones)	#8B8E99	0.073
Tritanopia (no blue cones)	#36A19C	0.024
Achromatopsia (no color)	#929292	0.073