#557EED#557EED

#557EED is a mid, vivid blue. Relative luminance 0.230; OKLCH L 62.0% C 0.173 H 266.2°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#557EED
RGB	rgb(85, 126, 237)
HSL	hsl(224, 81%, 63%)
HSV	hsv(224, 64%, 93%)
CMYK	cmyk(64.1%, 46.8%, 0%, 7.1%)
CIE-LAB	lab(55.04, 20.40, -60.33)
CIE-LCH	lch(55.04, 63.68, 288.69°)
OKLab	oklab(61.96% -0.0114 -0.1726)
OKLCH	oklch(61.96% 0.173 266.2)
XYZ	xyz(26.4879, 22.9650, 83.1411)
Luminance	0.2297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EED #EDC455

analogous

#55CAED #557EED #7855ED

triadic

#557EED #ED557E #7EED55

tetradic

#557EED #ED55CA #EDC455 #55ED78

square

#557EED #ED55CA #EDC455 #55ED78

split-complementary

#557EED #ED7855 #CAED55

monochromatic

#133FB4 #1E54E7 #557EED #8CA8F3 #C4D2F9

Accessibility & contrast

On white

3.75

#557EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#557EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EED

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EED	#FFFFFF	#000000	##000000
##557EED	1.00	3.75	5.59	5.59
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458BF1

Deuteranopia (green-blind)

#277DEB

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #557eed;
/* rgb */ color: rgb(85, 126, 237);
/* oklch */ color: oklch(62.0% 0.173 266.2);

Tailwind

colors: {
  custom: {
    50: '#93a2f3',
    500: '#557eed',
    950: '#000000',
  },
}

SCSS

$custom: #557eed;
$custom-light: #93a2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557eed",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 237
  },
  "hsl": {
    "h": 223.816,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61959,
    "c": 0.17302,
    "h": 266.2
  },
  "luminance": 0.22967
}

Semantic roles & 50–950 ramp

primary

#557EED

secondary

#EADBB4

accent

#A408DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #557EED

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

Preview Lab → · Contrast checker → · Palette generator →