#10212C

#10212C

Color Values

HEX

#10212C

RGB

16, 33, 44

HSL

203.6, 46.7%, 11.8%

HSV

203.6, 63.6%, 17.3%

CMYK

63.6%, 25.0%, 0.0%, 82.7%

OKLCH

0.2385 0.0311 238.4

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#10212C

#2C1B10

Analogous

#102C29

#10132C

#10212C

Triadic

#10212C

#2C1021

#212C10

Split Complementary

#10212C

#2C1013

#2C2910

Tetradic

#10212C

#29102C

#2C1B10

#132C10

Color Blindness Simulation

Original

#10212C

Protanopia

#171829

Deuteranopia

#161529

Tritanopia

#112727

Achromatopsia

#1E1E1E

CSS Usage

background-color: #10212C;
color: #10212C;
border-color: #10212C;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F4F8FA
100
#E6EFF4
200
#CBDFEC
300
#A5C8DE
400
#75AACD
500
#448CBB
600
#367096
700
#2B5A78
800
#22465E
900
#1C3545
950
#12212B

Contrast Checker

Text on white

16.46:1

AA Pass AAA Pass

Text on black

1.28:1

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