#557BC2#557BC2

#557BC2 is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.7% C 0.118 H 262.0°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#557BC2
RGB	rgb(85, 123, 194)
HSL	hsl(219, 47%, 55%)
HSV	hsv(219, 56%, 76%)
CMYK	cmyk(56.2%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(51.83, 7.81, -41.18)
CIE-LCH	lch(51.83, 41.91, 280.74°)
OKLab	oklab(58.71% -0.0163 -0.1165)
OKLCH	oklch(58.71% 0.118 262)
XYZ	xyz(20.5635, 19.9906, 53.8034)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BC2 #C29C55

analogous

#55B1C2 #557BC2 #6655C2

triadic

#557BC2 #C2557B #7BC255

tetradic

#557BC2 #C255B1 #C29C55 #55C266

square

#557BC2 #C255B1 #C29C55 #55C266

split-complementary

#557BC2 #C26655 #B1C255

monochromatic

#294373 #3A5DA0 #557BC2 #829ED2 #AFC1E2

Accessibility & contrast

On white

4.20

#557BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#557BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BC2

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BC2	#FFFFFF	#000000	##000000
##557BC2	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E81C5

Deuteranopia (green-blind)

#5077C0

Tritanopia (blue-blind)

#088B95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557bc2;
/* rgb */ color: rgb(85, 123, 194);
/* oklch */ color: oklch(58.7% 0.118 262.0);

Tailwind

colors: {
  custom: {
    50: '#8da0d5',
    500: '#557bc2',
    950: '#000000',
  },
}

SCSS

$custom: #557bc2;
$custom-light: #8da0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#557bc2",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 219.083,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58712,
    "c": 0.11765,
    "h": 262
  },
  "luminance": 0.19992
}

Semantic roles & 50–950 ramp

primary

#557BC2

secondary

#D0C0A2

accent

#A851D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557BC2

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

Preview Lab → · Contrast checker → · Palette generator →