#306CB0

#306CB0

Color Values

HEX

#306CB0

RGB

48, 108, 176

HSL

211,9, 57,1%, 43,9%

HSV

211,9, 72,7%, 69,0%

CMYK

72,7%, 38,6%, 0,0%, 31,0%

OKLCH

0,5258 0,1242 253,6

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#306CB0

#B07430

Analogous

#30ACB0

#3430B0

#306CB0

Triadic

#306CB0

#B0306C

#6CB030

Split Complementary

#306CB0

#B03430

#ACB030

Tetradic

#306CB0

#B030AC

#B07430

#30B034

Color Blindness Simulation

Original

#306CB0

Protanopia

#4A4BA0

Deuteranopia

#46429C

Tritanopia

#339390

Achromatopsia

#646464

CSS Usage

background-color: #306CB0;
color: #306CB0;
border-color: #306CB0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E4EDF6
200
#C7DAF0
300
#9FC0E5
400
#6B9DD7
500
#377BC8
600
#2C62A0
700
#234F80
800
#1B3D64
900
#182F49
950
#0F1E2E

Contrast Checker

Text on white

5,39:1

AA Pass AAA Fail

Text on black

3,9:1

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