#237681

#237681

Color Values

HEX

#237681

RGB

35, 118, 129

HSL

187.0, 57.3%, 32.2%

HSV

187.0, 72.9%, 50.6%

CMYK

72.9%, 8.5%, 0.0%, 49.4%

OKLCH

0.5222 0.0784 207.9

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#237681

#812E23

Analogous

#23815D

#234781

#237681

Triadic

#237681

#812376

#768123

Split Complementary

#237681

#812347

#815D23

Tetradic

#237681

#5D2381

#812E23

#478123

Color Blindness Simulation

Original

#237681

Protanopia

#47487E

Deuteranopia

#423C7E

Tritanopia

#277C7C

Achromatopsia

#656565

CSS Usage

background-color: #237681;
color: #237681;
border-color: #237681;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E4F4F6
200
#C7EBF0
300
#9FDDE5
400
#6BCAD7
500
#36B8C9
600
#2C93A0
700
#237580
800
#1B5C64
900
#174449
950
#0F2B2E

Contrast Checker

Text on white

5.28:1

AA Pass AAA Fail

Text on black

3.98:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026