#42657C

#42657C

Color Values

HEX

#42657C

RGB

66, 101, 124

HSL

203.8, 30.5%, 37.3%

HSV

203.8, 46.8%, 48.6%

CMYK

46.8%, 18.5%, 0.0%, 51.4%

OKLCH

0.4896 0.0547 238.2

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#42657C

#7C5942

Analogous

#427C76

#42487C

#42657C

Triadic

#42657C

#7C4265

#657C42

Split Complementary

#42657C

#7C4248

#7C7642

Tetradic

#42657C

#76427C

#7C5942

#487C42

Color Blindness Simulation

Original

#42657C

Protanopia

#515176

Deuteranopia

#4F4C75

Tritanopia

#447271

Achromatopsia

#5F5F5F

CSS Usage

background-color: #42657C;
color: #42657C;
border-color: #42657C;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F8F9
100
#E9EEF2
200
#D0DEE6
300
#AFC6D4
400
#84A7BD
500
#5988A6
600
#476C85
700
#39576A
800
#2C4453
900
#23333E
950
#162027

Contrast Checker

Text on white

6.21:1

AA Pass AAA Fail

Text on black

3.38:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

जन 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

जन 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

जन 15, 2026