#557AC0#557AC0

#557AC0 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.4% C 0.116 H 262.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#557AC0
RGB	rgb(85, 122, 192)
HSL	hsl(219, 46%, 54%)
HSV	hsv(219, 56%, 75%)
CMYK	cmyk(55.7%, 36.5%, 0%, 24.7%)
CIE-LAB	lab(51.44, 7.76, -40.63)
CIE-LCH	lch(51.44, 41.37, 280.81°)
OKLab	oklab(58.38% -0.0156 -0.1149)
OKLCH	oklch(58.38% 0.116 262.2)
XYZ	xyz(20.2170, 19.6545, 52.5873)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AC0 #C09B55

analogous

#55B0C0 #557AC0 #6655C0

triadic

#557AC0 #C0557A #7AC055

tetradic

#557AC0 #C055B0 #C09B55 #55C066

square

#557AC0 #C055B0 #C09B55 #55C066

split-complementary

#557AC0 #C06655 #B0C055

monochromatic

#2A4271 #3A5D9D #557AC0 #829DD1 #AEC0E1

Accessibility & contrast

On white

4.26

#557AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#557AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AC0

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AC0	#FFFFFF	#000000	##000000
##557AC0	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C3

Deuteranopia (green-blind)

#5076BF

Tritanopia (blue-blind)

#0F8994

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557ac0;
/* rgb */ color: rgb(85, 122, 192);
/* oklch */ color: oklch(58.4% 0.116 262.2);

Tailwind

colors: {
  custom: {
    50: '#8ca0d3',
    500: '#557ac0',
    950: '#000000',
  },
}

SCSS

$custom: #557ac0;
$custom-light: #8ca0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#557ac0",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 192
  },
  "hsl": {
    "h": 219.252,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58383,
    "c": 0.116,
    "h": 262.2
  },
  "luminance": 0.19656
}

Semantic roles & 50–950 ramp

primary

#557AC0

secondary

#CFBFA2

accent

#A852D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557AC0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →