#281035

#281035

Color Values

HEX

#281035

RGB

40, 16, 53

HSL

278.9, 53.6%, 13.5%

HSV

278.9, 69.8%, 20.8%

CMYK

24.5%, 69.8%, 0.0%, 79.2%

OKLCH

0.2296 0.0729 312.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#281035

#1D3510

Analogous

#151035

#35102F

#281035

Triadic

#281035

#352810

#103528

Split Complementary

#281035

#2F3510

#103515

Tetradic

#281035

#351510

#1D3510

#102F35

Color Blindness Simulation

Original

#281035

Protanopia

#1E1D2C

Deuteranopia

#1F212A

Tritanopia

#272523

Achromatopsia

#181818

CSS Usage

background-color: #281035;
color: #281035;
border-color: #281035;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F4FB
100
#F0E5F5
200
#E1C8EE
300
#CCA1E3
400
#B06ED3
500
#943BC4
600
#762F9D
700
#5F267D
800
#4A1E62
900
#371948
950
#23102D

Contrast Checker

Text on white

17.27:1

AA Pass AAA Pass

Text on black

1.22:1

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