#557CC0#557CC0

#557CC0 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.114 H 260.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#557CC0
RGB	rgb(85, 124, 192)
HSL	hsl(218, 46%, 54%)
HSV	hsv(218, 56%, 75%)
CMYK	cmyk(55.7%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(52.01, 6.55, -39.75)
CIE-LCH	lch(52.01, 40.28, 279.36°)
OKLab	oklab(58.82% -0.0179 -0.1123)
OKLCH	oklch(58.82% 0.114 260.9)
XYZ	xyz(20.4651, 20.1508, 52.6700)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CC0 #C09955

analogous

#55B2C0 #557CC0 #6455C0

triadic

#557CC0 #C0557C #7CC055

tetradic

#557CC0 #C055B2 #C09955 #55C064

square

#557CC0 #C055B2 #C09955 #55C064

split-complementary

#557CC0 #C06455 #B2C055

monochromatic

#2A4471 #3A5E9D #557CC0 #829ED1 #AEC1E1

Accessibility & contrast

On white

4.17

#557CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#557CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CC0

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CC0	#FFFFFF	#000000	##000000
##557CC0	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6081C3

Deuteranopia (green-blind)

#5377BF

Tritanopia (blue-blind)

#0E8B95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557cc0;
/* rgb */ color: rgb(85, 124, 192);
/* oklch */ color: oklch(58.8% 0.114 260.9);

Tailwind

colors: {
  custom: {
    50: '#8ca1d3',
    500: '#557cc0',
    950: '#000000',
  },
}

SCSS

$custom: #557cc0;
$custom-light: #8ca1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#557cc0",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 218.131,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5882,
    "c": 0.11376,
    "h": 260.9
  },
  "luminance": 0.20152
}

Semantic roles & 50–950 ramp

primary

#557CC0

secondary

#CFBFA2

accent

#A652D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557CC0

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

Preview Lab → · Contrast checker → · Palette generator →