#10102D

#10102D

Color Values

HEX

#10102D

RGB

16, 16, 45

HSL

240.0, 47.5%, 12.0%

HSV

240.0, 64.4%, 17.6%

CMYK

64.4%, 64.4%, 0.0%, 82.4%

OKLCH

0.1927 0.0569 279.6

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#10102D

#2D2D10

Analogous

#101F2D

#1F102D

#10102D

Triadic

#10102D

#2D1010

#102D10

Split Complementary

#10102D

#2D1F10

#1F2D10

Tetradic

#10102D

#2D101F

#2D2D10

#102D1F

Color Blindness Simulation

Original

#10102D

Protanopia

#101026

Deuteranopia

#101024

Tritanopia

#10201F

Achromatopsia

#121212

CSS Usage

background-color: #10102D;
color: #10102D;
border-color: #10102D;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACAEC
300
#A5A5DF
400
#7474CD
500
#4343BC
600
#363696
700
#2B2B78
800
#21215E
900
#1C1C45
950
#12122C

Contrast Checker

Text on white

18.52:1

AA Pass AAA Pass

Text on black

1.13:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

ก.พ. 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

ก.พ. 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

ก.พ. 20, 2026