#285263

#285263

Color Values

HEX

#285263

RGB

40, 82, 99

HSL

197.3, 42.4%, 27.3%

HSV

197.3, 59.6%, 38.8%

CMYK

59.6%, 17.2%, 0.0%, 61.2%

OKLCH

0.4158 0.0547 226.8

Properties

Cool Dark Nearest: RAL 5009 Azure Blue

Color Harmonies

Complementary

#285263

#633928

Analogous

#286357

#283563

#285263

Triadic

#285263

#632852

#526328

Split Complementary

#285263

#632835

#635728

Tetradic

#285263

#572863

#633928

#356328

Color Blindness Simulation

Original

#285263

Protanopia

#3A3B5F

Deuteranopia

#38355E

Tritanopia

#2A5C5B

Achromatopsia

#4A4A4A

CSS Usage

background-color: #285263;
color: #285263;
border-color: #285263;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F5F9FA
100
#E7F0F4
200
#CCE2EA
300
#A8CDDC
400
#79B2C9
500
#4996B6
600
#3B7891
700
#2F6074
800
#254B5B
900
#1E3843
950
#13242A

Contrast Checker

Text on white

8.48:1

AA Pass AAA Pass

Text on black

2.48:1

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