#557EE0#557EE0

#557EE0 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.1% C 0.155 H 265.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#557EE0
RGB	rgb(85, 126, 224)
HSL	hsl(222, 69%, 61%)
HSV	hsv(222, 62%, 88%)
CMYK	cmyk(62.1%, 43.7%, 0%, 12.2%)
CIE-LAB	lab(54.27, 15.99, -54.28)
CIE-LCH	lch(54.27, 56.59, 286.41°)
OKLab	oklab(61.13% -0.0134 -0.1549)
OKLCH	oklch(61.13% 0.155 265.1)
XYZ	xyz(24.6571, 22.2326, 73.4985)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EE0 #E0B755

analogous

#55C3E0 #557EE0 #7155E0

triadic

#557EE0 #E0557E #7EE055

tetradic

#557EE0 #E055C3 #E0B755 #55E071

square

#557EE0 #E055C3 #E0B755 #55E071

split-complementary

#557EE0 #E07155 #C3E055

monochromatic

#1D439E #2659D2 #557EE0 #89A5E9 #BDCDF3

Accessibility & contrast

On white

3.86

#557EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#557EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EE0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EE0	#FFFFFF	#000000	##000000
##557EE0	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5089E4

Deuteranopia (green-blind)

#3A7CDE

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557ee0;
/* rgb */ color: rgb(85, 126, 224);
/* oklch */ color: oklch(61.1% 0.155 265.1);

Tailwind

colors: {
  custom: {
    50: '#91a2ea',
    500: '#557ee0',
    950: '#000000',
  },
}

SCSS

$custom: #557ee0;
$custom-light: #91a2ea;
$custom-dark: #000000;

JSON

{
  "hex": "#557ee0",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 222.302,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61128,
    "c": 0.15546,
    "h": 265.1
  },
  "luminance": 0.22235
}

Semantic roles & 50–950 ramp

primary

#557EE0

secondary

#E3D3AE

accent

#9914D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557EE0

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

Preview Lab → · Contrast checker → · Palette generator →