#23275B

#23275B

Color Values

HEX

#23275B

RGB

35, 39, 91

HSL

235.7, 44.4%, 24.7%

HSV

235.7, 61.5%, 35.7%

CMYK

61.5%, 57.1%, 0.0%, 64.3%

OKLCH

0.301 0.0919 276.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#23275B

#5B5723

Analogous

#23435B

#3B235B

#23275B

Triadic

#23275B

#5B2327

#275B23

Split Complementary

#23275B

#5B3B23

#435B23

Tetradic

#23275B

#5B2343

#5B5723

#235B3B

Color Blindness Simulation

Original

#23275B

Protanopia

#25254E

Deuteranopia

#24244B

Tritanopia

#234442

Achromatopsia

#2A2A2A

CSS Usage

background-color: #23275B;
color: #23275B;
border-color: #23275B;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCEEB
300
#A7ABDD
400
#777DCB
500
#474FB8
600
#393F93
700
#2D3376
800
#23285C
900
#1D2044
950
#12142B

Contrast Checker

Text on white

13.88:1

AA Pass AAA Pass

Text on black

1.51:1

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