#151B32

#151B32

Color Values

HEX

#151B32

RGB

21, 27, 50

HSL

227.6, 40.8%, 13.9%

HSV

227.6, 58.0%, 19.6%

CMYK

58.0%, 46.0%, 0.0%, 80.4%

OKLCH

0.2291 0.0455 271.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#151B32

#322C15

Analogous

#152932

#1D1532

#151B32

Triadic

#151B32

#32151B

#1B3215

Split Complementary

#151B32

#321D15

#293215

Tetradic

#151B32

#321529

#322C15

#15321D

Color Blindness Simulation

Original

#151B32

Protanopia

#18182C

Deuteranopia

#17172B

Tritanopia

#152827

Achromatopsia

#1B1B1B

CSS Usage

background-color: #151B32;
color: #151B32;
border-color: #151B32;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E7EAF3
200
#CDD3EA
300
#A9B3DB
400
#7A8AC7
500
#4B61B4
600
#3C4E90
700
#303E73
800
#26305A
900
#1F2642
950
#13182A

Contrast Checker

Text on white

17.01:1

AA Pass AAA Pass

Text on black

1.23:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026