#23899E

Closest named color: Teal Blue (#01889F). oklch(58.3% 0.094 215.1), rgb(35, 137, 158).

Black text reads best on this color (5.14:1).

About this color

#23899E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.094 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.010 away. Black text reads best on it, at 5.14:1.

Hue family	Teals and cyans
Lightness	medium-dark (58%)
Chroma	moderately saturated (0.094)
Temperature	cool
Nearest name	Teal Blue (#01889F)
Black text	5.14:1
White text	4.08:1

Values

HEX	#23899E
RGB	rgb(35, 137, 158)
HSL	hsl(190, 64%, 38%)
OKLCH	oklch(58.3% 0.094 215.1)

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 #23899E	4.08:1	AA large text	Lc -73.1	Content text, not long reading
Black text on #23899E	5.14:1	AA	Lc 36.4	Non-text elements, placeholder text
#23899E text on white	4.08:1	AA large text	Lc 67.6	Content text, not long reading
#23899E text on black	5.14:1	AA	Lc -34.0	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

#F1F6F8

oklch(97% 0.006 223.5)
Step 100
100

#E1ECEF

oklch(93.6% 0.012 215.8)
Step 200
200

#C9DDE3

oklch(88.4% 0.023 217.7)
Step 300
300

#A3C8D2

oklch(80.9% 0.042 216)
Step 400
400

#6EACBB

oklch(70.8% 0.067 214.7)
Step 500
500

#4197AA

oklch(63.2% 0.086 214.6)
Step 600
600 (this color)

#23899E

oklch(58.3% 0.094 215.1)
Step 700
700

#006D7F

oklch(49.2% 0.087 214.3)
Step 800
800

#0A5968

oklch(42.8% 0.072 215)
Step 900
900

#164954

oklch(37.7% 0.056 214.9)
Step 950
950

#0F2B31

oklch(27% 0.035 213.8)

Export this scale for Tailwind in the Tailwind colors tool

#23899E 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)	#7A849F	0.083
Deuteranopia (no green cones)	#6A789E	0.076
Tritanopia (no blue cones)	#009190	0.038
Achromatopsia (no color)	#7E7E7E	0.094