#31636F

#31636F

Color Values

HEX

#31636F

RGB

49, 99, 111

HSL

191.6, 38.8%, 31.4%

HSV

191.6, 55.9%, 43.5%

CMYK

55.9%, 10.8%, 0.0%, 56.5%

OKLCH

0.47 0.0571 215.4

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#31636F

#6F3D31

Analogous

#316F5C

#31446F

#31636F

Triadic

#31636F

#6F3163

#636F31

Split Complementary

#31636F

#6F3144

#6F5C31

Tetradic

#31636F

#5C316F

#6F3D31

#446F31

Color Blindness Simulation

Original

#31636F

Protanopia

#47476C

Deuteranopia

#44406B

Tritanopia

#346A69

Achromatopsia

#595959

CSS Usage

background-color: #31636F;
color: #31636F;
border-color: #31636F;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CDE4E9
300
#AAD0DA
400
#7CB7C5
500
#4E9EB1
600
#3E7E8E
700
#326571
800
#274F58
900
#203B41
950
#142529

Contrast Checker

Text on white

6.68:1

AA Pass AAA Fail

Text on black

3.14:1

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