#031B58

#031B58

Color Values

HEX

#031B58

RGB

3, 27, 88

HSL

223.1, 93.4%, 17.8%

HSV

223.1, 96.6%, 34.5%

CMYK

96.6%, 69.3%, 0.0%, 65.5%

OKLCH

0.2541 0.1139 263.1

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#031B58

#584003

Analogous

#034558

#160358

#031B58

Triadic

#031B58

#58031B

#1B5803

Split Complementary

#031B58

#581603

#455803

Tetradic

#031B58

#580345

#584003

#035816

Color Blindness Simulation

Original

#031B58

Protanopia

#0D0E49

Deuteranopia

#0C0A46

Tritanopia

#043E3B

Achromatopsia

#1A1A1A

CSS Usage

background-color: #031B58;
color: #031B58;
border-color: #031B58;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F1F5FD
100
#DFE7FB
200
#BACDFD
300
#89A9FB
400
#497AF9
500
#084BF7
600
#073CC5
700
#05309E
800
#04267B
900
#081F59
950
#051338

Contrast Checker

Text on white

16.13:1

AA Pass AAA Pass

Text on black

1.3:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026