#557EE6#557EE6

#557EE6 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.164 H 265.6°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#557EE6
RGB	rgb(85, 126, 230)
HSL	hsl(223, 74%, 62%)
HSV	hsv(223, 63%, 90%)
CMYK	cmyk(63%, 45.2%, 0%, 9.8%)
CIE-LAB	lab(54.62, 18.02, -57.09)
CIE-LCH	lch(54.62, 59.86, 287.52°)
OKLab	oklab(61.51% -0.0124 -0.1631)
OKLCH	oklch(61.51% 0.164 265.6)
XYZ	xyz(25.4852, 22.5639, 77.8598)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EE6 #E6BD55

analogous

#55C7E6 #557EE6 #7455E6

triadic

#557EE6 #E6557E #7EE655

tetradic

#557EE6 #E655C7 #E6BD55 #55E674

square

#557EE6 #E655C7 #E6BD55 #55E674

split-complementary

#557EE6 #E67455 #C7E655

monochromatic

#1941A8 #2156DD #557EE6 #8AA6EE #C0CFF6

Accessibility & contrast

On white

3.81

#557EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#557EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EE6

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EE6	#FFFFFF	#000000	##000000
##557EE6	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8AEA

Deuteranopia (green-blind)

#337CE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557ee6;
/* rgb */ color: rgb(85, 126, 230);
/* oklch */ color: oklch(61.5% 0.164 265.6);

Tailwind

colors: {
  custom: {
    50: '#92a2ee',
    500: '#557ee6',
    950: '#000000',
  },
}

SCSS

$custom: #557ee6;
$custom-light: #92a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557ee6",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 230
  },
  "hsl": {
    "h": 223.034,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.61507,
    "c": 0.16359,
    "h": 265.6
  },
  "luminance": 0.22566
}

Semantic roles & 50–950 ramp

primary

#557EE6

secondary

#E6D7B1

accent

#9E0FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557EE6

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

Preview Lab → · Contrast checker → · Palette generator →