#257CD1

#257CD1

Color Values

HEX

#257CD1

RGB

37, 124, 209

HSL

209.7, 69.9%, 48.2%

HSV

209.7, 82.3%, 82.0%

CMYK

82.3%, 40.7%, 0.0%, 18.0%

OKLCH

0.5797 0.1531 252.0

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#257CD1

#D17A25

Analogous

#25D1D0

#2526D1

#257CD1

Triadic

#257CD1

#D1257C

#7CD125

Split Complementary

#257CD1

#D12526

#D1D025

Tetradic

#257CD1

#D025D1

#D17A25

#26D125

Color Blindness Simulation

Original

#257CD1

Protanopia

#4B4BBC

Deuteranopia

#463FB7

Tritanopia

#29ACA9

Achromatopsia

#707070

CSS Usage

background-color: #257CD1;
color: #257CD1;
border-color: #257CD1;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C2DCF4
300
#97C2ED
400
#5FA1E3
500
#2680D9
600
#1F67AD
700
#19528B
800
#13406C
900
#12314F
950
#0B1F32

Contrast Checker

Text on white

4.3:1

AA Fail AAA Fail

Text on black

4.88:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026