#421C01

#421C01

Color Values

HEX

#421C01

RGB

66, 28, 1

HSL

24.9, 97.0%, 13.1%

HSV

24.9, 98.5%, 25.9%

CMYK

0.0%, 57.6%, 98.5%, 74.1%

OKLCH

0.2772 0.07 51.8

Properties

Warm Dark Nearest: RAL 8007 Fawn Brown

Color Harmonies

Complementary

#421C01

#012742

Analogous

#420107

#423C01

#421C01

Triadic

#421C01

#01421C

#1C0142

Split Complementary

#421C01

#01423C

#010742

Tetradic

#421C01

#074201

#012742

#3C0142

Color Blindness Simulation

Original

#421C01

Protanopia

#323108

Deuteranopia

#343709

Tritanopia

#400D0E

Achromatopsia

#222222

CSS Usage

background-color: #421C01;
color: #421C01;
border-color: #421C01;
Nearest Tailwind: Yellow 950 #422006

Tailwind Shades

50
#FEF6F1
100
#FCEBDE
200
#FED5B9
300
#FDB886
400
#FC9145
500
#FB6A04
600
#C95503
700
#A14402
800
#7E3502
900
#5B2906
950
#391A04

Contrast Checker

Text on white

15.02:1

AA Pass AAA Pass

Text on black

1.4:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2月 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2月 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2月 19, 2026