#557EE8#557EE8

#557EE8 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.166 H 265.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#557EE8
RGB	rgb(85, 126, 232)
HSL	hsl(223, 76%, 62%)
HSV	hsv(223, 63%, 91%)
CMYK	cmyk(63.4%, 45.7%, 0%, 9%)
CIE-LAB	lab(54.74, 18.70, -58.02)
CIE-LCH	lch(54.74, 60.96, 287.87°)
OKLab	oklab(61.64% -0.0121 -0.1658)
OKLCH	oklch(61.64% 0.166 265.8)
XYZ	xyz(25.7676, 22.6768, 79.3474)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EE8 #E8BF55

analogous

#55C8E8 #557EE8 #7555E8

triadic

#557EE8 #E8557E #7EE855

tetradic

#557EE8 #E855C8 #E8BF55 #55E875

square

#557EE8 #E855C8 #E8BF55 #55E875

split-complementary

#557EE8 #E87555 #C8E855

monochromatic

#1741AB #1F55E1 #557EE8 #8BA7EF #C1D0F7

Accessibility & contrast

On white

3.79

#557EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#557EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EE8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EE8	#FFFFFF	#000000	##000000
##557EE8	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)

#4A8AEC

Deuteranopia (green-blind)

#2F7DE6

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #557ee8;
/* rgb */ color: rgb(85, 126, 232);
/* oklch */ color: oklch(61.6% 0.166 265.8);

Tailwind

colors: {
  custom: {
    50: '#92a2f0',
    500: '#557ee8',
    950: '#000000',
  },
}

SCSS

$custom: #557ee8;
$custom-light: #92a2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#557ee8",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 232
  },
  "hsl": {
    "h": 223.265,
    "s": 76.166,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61635,
    "c": 0.16629,
    "h": 265.8
  },
  "luminance": 0.22679
}

Semantic roles & 50–950 ramp

primary

#557EE8

secondary

#E7D8B1

accent

#A00DD8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #557EE8

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

Preview Lab → · Contrast checker → · Palette generator →