#557CED#557CED

#557CED is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.175 H 266.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#557CED
RGB	rgb(85, 124, 237)
HSL	hsl(225, 81%, 63%)
HSV	hsv(225, 64%, 93%)
CMYK	cmyk(64.1%, 47.7%, 0%, 7.1%)
CIE-LAB	lab(54.51, 21.63, -61.17)
CIE-LCH	lch(54.51, 64.88, 289.47°)
OKLab	oklab(61.56% -0.0095 -0.1752)
OKLCH	oklch(61.56% 0.175 266.9)
XYZ	xyz(26.2348, 22.4586, 83.0567)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CED #EDC655

analogous

#55C8ED #557CED #7A55ED

triadic

#557CED #ED557C #7CED55

tetradic

#557CED #ED55C8 #EDC655 #55ED7A

square

#557CED #ED55C8 #EDC655 #55ED7A

split-complementary

#557CED #ED7A55 #C8ED55

monochromatic

#133DB4 #1E51E7 #557CED #8CA7F3 #C4D1F9

Accessibility & contrast

On white

3.82

#557CED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#557CED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CED

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CED	#FFFFFF	#000000	##000000
##557CED	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418AF1

Deuteranopia (green-blind)

#1F7CEB

Tritanopia (blue-blind)

#0096A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557ced;
/* rgb */ color: rgb(85, 124, 237);
/* oklch */ color: oklch(61.6% 0.175 266.9);

Tailwind

colors: {
  custom: {
    50: '#93a1f3',
    500: '#557ced',
    950: '#000000',
  },
}

SCSS

$custom: #557ced;
$custom-light: #93a1f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557ced",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 237
  },
  "hsl": {
    "h": 224.605,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61558,
    "c": 0.17542,
    "h": 266.9
  },
  "luminance": 0.22461
}

Semantic roles & 50–950 ramp

primary

#557CED

secondary

#EADCB4

accent

#A708DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557CED

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

Preview Lab → · Contrast checker → · Palette generator →