#178A83

#178A83

Color Values

HEX

#178A83

RGB

23, 138, 131

HSL

176.3, 71.4%, 31.6%

HSV

176.3, 83.3%, 54.1%

CMYK

83.3%, 0.0%, 5.1%, 45.9%

OKLCH

0.5732 0.0948 188.3

Properties

Color Psychology

Dark cyans and deep aquas convey depth, reliability, and technical mastery. They carry the trustworthiness of blue with a modern, slightly warmer edge from their green component. These tones suggest specialized expertise and sophisticated engineering.

Design Usage

Dark cyan works for cybersecurity brands, developer platforms, and data infrastructure companies. It creates striking dark-mode accents and terminal-style interfaces that feel technical yet approachable. Pair it with lighter cyan highlights and neutral grays for a layered, depth-rich design system.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #178A83;
color: #178A83;
border-color: #178A83;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

Contrast Checker

Text on white

4.2:1

AA Fail AAA Fail

Text on black

5.0:1

AA Pass AAA Fail

Compare With

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Frequently Asked Questions

What are the RGB, HSL, and CMYK values of #178A83?

RGB(23, 138, 131) · HSL(176.3, 71.4%, 31.6%) · CMYK(83.3%, 0.0%, 5.1%, 45.9%)

Does #178A83 meet WCAG contrast on white?

4.2:1 — WCAG AA Fail, AAA Fail for normal text.

What text color is readable on #178A83?

Use 000000 text on a #178A83 background; contrast on black is 5.0:1.