#636CFA

#636CFA

Color Values

HEX

#636CFA

RGB

99, 108, 250

HSL

236.4, 93.8%, 68.4%

HSV

236.4, 60.4%, 98.0%

CMYK

60.4%, 56.8%, 0.0%, 2.0%

OKLCH

0.6026 0.2084 275.5

Properties

Cool Light Nearest: slateblue 1

Color Harmonies

Complementary

#636CFA

#FAF163

Analogous

#63B7FA

#A563FA

#636CFA

Triadic

#636CFA

#FA636C

#6CFA63

Split Complementary

#636CFA

#FAA563

#B7FA63

Tetradic

#636CFA

#FA63B7

#FAF163

#63FAA5

Color Blindness Simulation

Original

#636CFA

Protanopia

#6767D8

Deuteranopia

#6666CF

Tritanopia

#63BCB7

Achromatopsia

#747474

CSS Usage

background-color: #636CFA;
color: #636CFA;
border-color: #636CFA;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F1F2FD
100
#DFE1FB
200
#BABEFD
300
#888FFB
400
#4853F9
500
#0816F7
600
#0612C6
700
#050E9E
800
#040B7C
900
#080C59
950
#050838

Contrast Checker

Text on white

4.15:1

AA Fail AAA Fail

Text on black

5.06:1

AA Pass 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