#557DED#557DED

#557DED is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.8% C 0.174 H 266.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#557DED
RGB	rgb(85, 125, 237)
HSL	hsl(224, 81%, 63%)
HSV	hsv(224, 64%, 93%)
CMYK	cmyk(64.1%, 47.3%, 0%, 7.1%)
CIE-LAB	lab(54.77, 21.01, -60.75)
CIE-LCH	lch(54.77, 64.28, 289.08°)
OKLab	oklab(61.76% -0.0105 -0.1739)
OKLCH	oklch(61.76% 0.174 266.6)
XYZ	xyz(26.3607, 22.7105, 83.0987)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DED #EDC555

analogous

#55C9ED #557DED #7955ED

triadic

#557DED #ED557D #7DED55

tetradic

#557DED #ED55C9 #EDC555 #55ED79

square

#557DED #ED55C9 #EDC555 #55ED79

split-complementary

#557DED #ED7955 #C9ED55

monochromatic

#133EB4 #1E53E7 #557DED #8CA7F3 #C4D2F9

Accessibility & contrast

On white

3.79

#557DED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#557DED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DED

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DED	#FFFFFF	#000000	##000000
##557DED	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438AF1

Deuteranopia (green-blind)

#237DEB

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557ded;
/* rgb */ color: rgb(85, 125, 237);
/* oklch */ color: oklch(61.8% 0.174 266.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#557ded",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 237
  },
  "hsl": {
    "h": 224.211,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61758,
    "c": 0.17421,
    "h": 266.6
  },
  "luminance": 0.22713
}

Semantic roles & 50–950 ramp

primary

#557DED

secondary

#EADCB4

accent

#A508DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #557DED

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

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