#1F2576

#1F2576

Color Values

HEX

#1F2576

RGB

31, 37, 118

HSL

235.9, 58.4%, 29.2%

HSV

235.9, 73.7%, 46.3%

CMYK

73.7%, 68.6%, 0.0%, 53.7%

OKLCH

0.3189 0.1361 272.6

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#1F2576

#76701F

Analogous

#1F5076

#451F76

#1F2576

Triadic

#1F2576

#761F25

#25761F

Split Complementary

#1F2576

#76451F

#50761F

Tetradic

#1F2576

#761F50

#76701F

#1F7645

Color Blindness Simulation

Original

#1F2576

Protanopia

#222262

Deuteranopia

#21215E

Tritanopia

#1F5350

Achromatopsia

#2A2A2A

CSS Usage

background-color: #1F2576;
color: #1F2576;
border-color: #1F2576;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E4E6F6
200
#C6C9F0
300
#9EA3E6
400
#6A71D8
500
#353FCA
600
#2A33A2
700
#222881
800
#1B2065
900
#171A4A
950
#0F112F

Contrast Checker

Text on white

13.25:1

AA Pass AAA Pass

Text on black

1.58:1

AA Fail AAA Fail

Related Articles

Tutorials

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

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026