#257ACD

#257ACD

Color Values

HEX

#257ACD

RGB

37, 122, 205

HSL

209.6, 69.4%, 47.5%

HSV

209.6, 82.0%, 80.4%

CMYK

82.0%, 40.5%, 0.0%, 19.6%

OKLCH

0.5727 0.1501 251.9

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#257ACD

#CD7825

Analogous

#25CDCC

#2526CD

#257ACD

Triadic

#257ACD

#CD257A

#7ACD25

Split Complementary

#257ACD

#CD2526

#CDCC25

Tetradic

#257ACD

#CC25CD

#CD7825

#26CD25

Color Blindness Simulation

Original

#257ACD

Protanopia

#4A4BB9

Deuteranopia

#453EB4

Tritanopia

#29A9A6

Achromatopsia

#6E6E6E

CSS Usage

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

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DCF4
300
#97C2EC
400
#5FA2E2
500
#2781D8
600
#1F67AD
700
#19528A
800
#14406C
900
#12314F
950
#0B1F32

Contrast Checker

Text on white

4.43:1

AA Fail AAA Fail

Text on black

4.74:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026