#04031E

#04031E

Color Values

HEX

#04031E

RGB

4, 3, 30

HSL

242.2, 81.8%, 6.5%

HSV

242.2, 90.0%, 11.8%

CMYK

86.7%, 90.0%, 0.0%, 88.2%

OKLCH

0.1284 0.0598 276.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#04031E

#1D1E03

Analogous

#03101E

#12031E

#04031E

Triadic

#04031E

#1E0403

#031E04

Split Complementary

#04031E

#1E1203

#101E03

Tetradic

#04031E

#1E0310

#1D1E03

#031E12

Color Blindness Simulation

Original

#04031E

Protanopia

#040417

Deuteranopia

#040416

Tritanopia

#041211

Achromatopsia

#050505

CSS Usage

background-color: #04031E;
color: #04031E;
border-color: #04031E;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F2FD
100
#E2E1FA
200
#C0BEF9
300
#9390F4
400
#5953EE
500
#1F17E8
600
#1913B9
700
#140F94
800
#0F0C74
900
#0F0D54
950
#0A0835

Contrast Checker

Text on white

20.25:1

AA Pass AAA Pass

Text on black

1.04:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026