#557AE5#557AE5

#557AE5 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.6% C 0.167 H 267.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#557AE5
RGB	rgb(85, 122, 229)
HSL	hsl(225, 73%, 62%)
HSV	hsv(225, 63%, 90%)
CMYK	cmyk(62.9%, 46.7%, 0%, 10.2%)
CIE-LAB	lab(53.50, 20.13, -58.33)
CIE-LCH	lch(53.50, 61.70, 289.04°)
OKLab	oklab(60.63% -0.0087 -0.1668)
OKLCH	oklch(60.63% 0.167 267)
XYZ	xyz(24.8439, 21.5053, 76.9552)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AE5 #E5C055

analogous

#55C2E5 #557AE5 #7855E5

triadic

#557AE5 #E5557A #7AE555

tetradic

#557AE5 #E555C2 #E5C055 #55E578

square

#557AE5 #E555C2 #E5C055 #55E578

split-complementary

#557AE5 #E57855 #C2E555

monochromatic

#193EA6 #2251DB #557AE5 #8AA4ED #BFCDF5

Accessibility & contrast

On white

3.96

#557AE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#557AE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AE5

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AE5	#FFFFFF	#000000	##000000
##557AE5	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4487E9

Deuteranopia (green-blind)

#297AE3

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #557ae5;
/* rgb */ color: rgb(85, 122, 229);
/* oklch */ color: oklch(60.6% 0.167 267.0);

Tailwind

colors: {
  custom: {
    50: '#92a0ee',
    500: '#557ae5',
    950: '#000000',
  },
}

SCSS

$custom: #557ae5;
$custom-light: #92a0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#557ae5",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 229
  },
  "hsl": {
    "h": 224.583,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6063,
    "c": 0.16705,
    "h": 267
  },
  "luminance": 0.21508
}

Semantic roles & 50–950 ramp

primary

#557AE5

secondary

#E6D8B0

accent

#A310D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #557AE5

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

Preview Lab → · Contrast checker → · Palette generator →