#1D30B4

#1D30B4

Color Values

HEX

#1D30B4

RGB

29, 48, 180

HSL

232.5, 72.2%, 41.0%

HSV

232.5, 83.9%, 70.6%

CMYK

83.9%, 73.3%, 0.0%, 29.4%

OKLCH

0.4016 0.2052 267.7

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#1D30B4

#B4A11D

Analogous

#1D7BB4

#561DB4

#1D30B4

Triadic

#1D30B4

#B41D30

#30B41D

Split Complementary

#1D30B4

#B4561D

#7BB41D

Tetradic

#1D30B4

#B41D7B

#B4A11D

#1DB456

Color Blindness Simulation

Original

#1D30B4

Protanopia

#252594

Deuteranopia

#24238C

Tritanopia

#1E7B75

Achromatopsia

#353535

CSS Usage

background-color: #1D30B4;
color: #1D30B4;
border-color: #1D30B4;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F4FC
100
#E2E5F8
200
#C2C8F5
300
#96A1EE
400
#5D6EE5
500
#233ADC
600
#1C2FB0
700
#17258D
800
#121D6E
900
#111950
950
#0B1032

Contrast Checker

Text on white

9.84:1

AA Pass AAA Pass

Text on black

2.13:1

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