#557EE2#557EE2

#557EE2 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.158 H 265.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#557EE2
RGB	rgb(85, 126, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 62%, 89%)
CMYK	cmyk(62.4%, 44.2%, 0%, 11.4%)
CIE-LAB	lab(54.39, 16.66, -55.22)
CIE-LCH	lch(54.39, 57.68, 286.79°)
OKLab	oklab(61.25% -0.013 -0.1576)
OKLCH	oklch(61.25% 0.158 265.3)
XYZ	xyz(24.9299, 22.3418, 74.9354)
Luminance	0.2234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EE2 #E2B955

analogous

#55C4E2 #557EE2 #7255E2

triadic

#557EE2 #E2557E #7EE255

tetradic

#557EE2 #E255C4 #E2B955 #55E272

square

#557EE2 #E255C4 #E2B955 #55E272

split-complementary

#557EE2 #E27255 #C4E255

monochromatic

#1B42A1 #2458D5 #557EE2 #89A6EB #BECDF4

Accessibility & contrast

On white

3.84

#557EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#557EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EE2

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EE2	#FFFFFF	#000000	##000000
##557EE2	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F89E6

Deuteranopia (green-blind)

#387CE0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557ee2;
/* rgb */ color: rgb(85, 126, 226);
/* oklch */ color: oklch(61.3% 0.158 265.3);

Tailwind

colors: {
  custom: {
    50: '#91a2ec',
    500: '#557ee2',
    950: '#000000',
  },
}

SCSS

$custom: #557ee2;
$custom-light: #91a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#557ee2",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 226
  },
  "hsl": {
    "h": 222.553,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61254,
    "c": 0.15817,
    "h": 265.3
  },
  "luminance": 0.22344
}

Semantic roles & 50–950 ramp

primary

#557EE2

secondary

#E4D5AF

accent

#9B13D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557EE2

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

Preview Lab → · Contrast checker → · Palette generator →