#2870B9

#2870B9

Color Values

HEX

#2870B9

RGB

40, 112, 185

HSL

210.2, 64.4%, 44.1%

HSV

210.2, 78.4%, 72.5%

CMYK

78.4%, 39.5%, 0.0%, 27.5%

OKLCH

0.538 0.1344 252.1

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#2870B9

#B97128

Analogous

#28B8B9

#2928B9

#2870B9

Triadic

#2870B9

#B92870

#70B928

Split Complementary

#2870B9

#B92928

#B8B928

Tetradic

#2870B9

#B928B8

#B97128

#28B929

Color Blindness Simulation

Original

#2870B9

Protanopia

#4748A7

Deuteranopia

#433EA3

Tritanopia

#2C9996

Achromatopsia

#666666

CSS Usage

background-color: #2870B9;
color: #2870B9;
border-color: #2870B9;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF2
300
#9AC2E9
400
#64A0DD
500
#2D7FD2
600
#2466A8
700
#1D5186
800
#173F69
900
#14304D
950
#0D1E30

Contrast Checker

Text on white

5.11:1

AA Pass AAA Fail

Text on black

4.11:1

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