royalblue 4

#27408B

X11 color

Royalblue 4 (#27408B) is the darkest variant in the X11 Royal Blue series, a deep navy-adjacent blue that reads as dignified and authoritative. Used for dark backgrounds, formal typography, and applications requiring the weight of royal blue with enhanced darkness, it bridges royal blue and deep navy. The depth and cool saturation make it suitable for maritime, military, and premium corporate design contexts.

색상 값

HEX

#27408B

RGB

39, 64, 139

HSL

225.0, 56.2%, 34.9%

HSV

225.0, 71.9%, 54.5%

CMYK

71.9%, 54.0%, 0.0%, 45.5%

OKLCH

0.397 0.1286 266.6

속성

색채 심리학

True blue is the world's most popular favorite color, representing trust, competence, and stability. It suppresses appetite and promotes productivity, making it ideal for work environments. Blue is the dominant color in corporate branding because it communicates reliability without emotional excess.

Design Usage

Medium blue is the default choice for primary buttons, navigation bars, and link text across the web. It forms the foundation of design systems for banking, insurance, and enterprise SaaS products. While universally safe, it benefits from a distinctive hue angle or saturation to avoid blending into the sea of blue brands.

색상 조화

색각 이상 시뮬레이션

CSS 사용법

background-color: #27408B;
color: #27408B;
border-color: #27408B;
가장 가까운 Tailwind: Blue 900 #1E3A8A

Tailwind 쉐이드

대비 검사기

흰색 배경 텍스트

9.58:1

AA Pass AAA Pass

검정 배경 텍스트

2.19:1

AA Fail AAA Fail

비교하기

자주 묻는 질문

What are the RGB, HSL, and CMYK values of #27408B?

RGB(39, 64, 139) · HSL(225.0, 56.2%, 34.9%) · CMYK(71.9%, 54.0%, 0.0%, 45.5%)

Does #27408B meet WCAG contrast on white?

9.58:1 — WCAG AA 통과, AAA 통과 for normal text.

What text color is readable on #27408B?

Use FFFFFF text on a #27408B background; contrast on black is 2.19:1.