#231F2E

#231F2E

Color Values

HEX

#231F2E

RGB

35, 31, 46

HSL

256.0, 19.5%, 15.1%

HSV

256.0, 32.6%, 18.0%

CMYK

23.9%, 32.6%, 0.0%, 82.0%

OKLCH

0.2508 0.0285 296.5

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#231F2E

#2A2E1F

Analogous

#1F232E

#2B1F2E

#231F2E

Triadic

#231F2E

#2E231F

#1F2E23

Split Complementary

#231F2E

#2E2B1F

#232E1F

Tetradic

#231F2E

#2E1F23

#2A2E1F

#1F2E2B

Color Blindness Simulation

Original

#231F2E

Protanopia

#21212A

Deuteranopia

#222229

Tritanopia

#232827

Achromatopsia

#212121

CSS Usage

background-color: #231F2E;
color: #231F2E;
border-color: #231F2E;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#ECEAF0
200
#D8D4E2
300
#BCB6CE
400
#988EB3
500
#746798
600
#5D527A
700
#4A4262
800
#3A334C
900
#2C2839
950
#1C1924

Contrast Checker

Text on white

16.07:1

AA Pass AAA Pass

Text on black

1.31:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026