#281C3F

#281C3F

Color Values

HEX

#281C3F

RGB

40, 28, 63

HSL

260.6, 38.5%, 17.8%

HSV

260.6, 55.6%, 24.7%

CMYK

36.5%, 55.6%, 0.0%, 75.3%

OKLCH

0.2603 0.0646 297.6

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#281C3F

#333F1C

Analogous

#1C213F

#391C3F

#281C3F

Triadic

#281C3F

#3F281C

#1C3F28

Split Complementary

#281C3F

#3F391C

#213F1C

Tetradic

#281C3F

#3F1C21

#333F1C

#1C3F39

Color Blindness Simulation

Original

#281C3F

Protanopia

#232337

Deuteranopia

#242434

Tritanopia

#27302E

Achromatopsia

#212121

CSS Usage

background-color: #281C3F;
color: #281C3F;
border-color: #281C3F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F5FA
100
#EBE7F3
200
#D7CEE9
300
#BAAAD9
400
#957CC5
500
#704EB1
600
#5A3F8D
700
#483271
800
#382758
900
#2B2041
950
#1B1429

Contrast Checker

Text on white

15.81:1

AA Pass AAA Pass

Text on black

1.33:1

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