#306BB0

#306BB0

Color Values

HEX

#306BB0

RGB

48, 107, 176

HSL

212.3, 57.1%, 43.9%

HSV

212.3, 72.7%, 69.0%

CMYK

72.7%, 39.2%, 0.0%, 31.0%

OKLCH

0.5235 0.1253 254.2

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#306BB0

#B07530

Analogous

#30ABB0

#3530B0

#306BB0

Triadic

#306BB0

#B0306B

#6BB030

Split Complementary

#306BB0

#B03530

#ABB030

Tetradic

#306BB0

#B030AB

#B07530

#30B035

Color Blindness Simulation

Original

#306BB0

Protanopia

#4A4A9F

Deuteranopia

#46429B

Tritanopia

#33928F

Achromatopsia

#636363

CSS Usage

background-color: #306BB0;
color: #306BB0;
border-color: #306BB0;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E4ECF6
200
#C7DAF0
300
#9FBFE5
400
#6B9DD7
500
#377AC8
600
#2C62A0
700
#234E80
800
#1B3D64
900
#182F49
950
#0F1D2E

Contrast Checker

Text on white

5.45:1

AA Pass AAA Fail

Text on black

3.86:1

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